1426876749 has 32 divisors (see below), whose sum is σ = 2148608000. Its totient is φ = 935721072.

The previous prime is 1426876729. The next prime is 1426876751. The reversal of 1426876749 is 9476786241.

It is not a de Polignac number, because 1426876749 - 2¹⁹ = 1426352461 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1426876695 and 1426876704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426876729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653742 + ... + 655920.

It is an arithmetic number, because the mean of its divisors is an integer number (67144000).

Almost surely, 2^1426876749 is an apocalyptic number.

It is an amenable number.

1426876749 is a deficient number, since it is larger than the sum of its proper divisors (721731251).

1426876749 is a wasteful number, since it uses less digits than its factorization.

1426876749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2568 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1426876749 is about 37774.0221448551. The cubic root of 1426876749 is about 1125.8023573952.

The spelling of 1426876749 in words is "one billion, four hundred twenty-six million, eight hundred seventy-six thousand, seven hundred forty-nine".