6356742431 has 4 divisors (see below), whose sum is σ = 6845722632. Its totient is φ = 5867762232.

The previous prime is 6356742421. The next prime is 6356742443. The reversal of 6356742431 is 1342476536.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6356742431 - 2³⁰ = 5283000607 is a prime.

It is a super-2 number, since 2×6356742431² = 80816348668151579522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6356742421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244490081 + ... + 244490106.

It is an arithmetic number, because the mean of its divisors is an integer number (1711430658).

Almost surely, 2^6356742431 is an apocalyptic number.

6356742431 is a deficient number, since it is larger than the sum of its proper divisors (488980201).

6356742431 is a wasteful number, since it uses less digits than its factorization.

6356742431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488980200.

The product of its digits is 362880, while the sum is 41.

The square root of 6356742431 is about 79729.1818031516. The cubic root of 6356742431 is about 1852.4430767524.

The spelling of 6356742431 in words is "six billion, three hundred fifty-six million, seven hundred forty-two thousand, four hundred thirty-one".