1699402144 has 96 divisors (see below), whose sum is σ = 3989647872. Its totient is φ = 703488000.

The previous prime is 1699402139. The next prime is 1699402147. The reversal of 1699402144 is 4412049961.

It is a junction number, because it is equal to n+sod(n) for n = 1699402097 and 1699402106.

It is not an unprimeable number, because it can be changed into a prime (1699402147) 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 15 ways as a sum of consecutive naturals, for example, 180924 + ... + 190084.

It is an arithmetic number, because the mean of its divisors is an integer number (41558832).

Almost surely, 2^1699402144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1699402144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1994823936).

1699402144 is an abundant number, since it is smaller than the sum of its proper divisors (2290245728).

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

1699402144 is a wasteful number, since it uses less digits than its factorization.

1699402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9222 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1699402144 is about 41223.8055497063. The cubic root of 1699402144 is about 1193.3432674669.

The spelling of 1699402144 in words is "one billion, six hundred ninety-nine million, four hundred two thousand, one hundred forty-four".