1426213692 has 72 divisors (see below), whose sum is σ = 3712481136. Its totient is φ = 461320704.

The previous prime is 1426213673. The next prime is 1426213699. The reversal of 1426213692 is 2963126241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426213699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588868 + ... + 591284.

It is an arithmetic number, because the mean of its divisors is an integer number (51562238).

Almost surely, 2^1426213692 is an apocalyptic number.

1426213692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426213692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856240568).

1426213692 is an abundant number, since it is smaller than the sum of its proper divisors (2286267444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1426213692 is a wasteful number, since it uses less digits than its factorization.

1426213692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2902 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1426213692 is about 37765.2444980832. The cubic root of 1426213692 is about 1125.6279469120.

The spelling of 1426213692 in words is "one billion, four hundred twenty-six million, two hundred thirteen thousand, six hundred ninety-two".