6435137457 has 24 divisors (see below), whose sum is σ = 10625189120. Its totient is φ = 3676492800.

The previous prime is 6435137441. The next prime is 6435137459. The reversal of 6435137457 is 7547315346.

6435137457 is a `hidden beast` number, since 64 + 3 + 5 + 137 + 457 = 666.

It is not a de Polignac number, because 6435137457 - 2⁴ = 6435137441 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6435137459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599544 + ... + 610182.

Almost surely, 2^6435137457 is an apocalyptic number.

It is an amenable number.

6435137457 is a deficient number, since it is larger than the sum of its proper divisors (4190051663).

6435137457 is a wasteful number, since it uses less digits than its factorization.

6435137457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20253 (or 20250 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 6435137457 is about 80219.3085048731. The cubic root of 6435137457 is about 1860.0271180576.

The spelling of 6435137457 in words is "six billion, four hundred thirty-five million, one hundred thirty-seven thousand, four hundred fifty-seven".