2643470431 has 16 divisors (see below), whose sum is σ = 3166272000. Its totient is φ = 2157823008.

The previous prime is 2643470393. The next prime is 2643470443. The reversal of 2643470431 is 1340743462.

It is a cyclic number.

It is not a de Polignac number, because 2643470431 - 2¹⁷ = 2643339359 is a prime.

It is a super-2 number, since 2×2643470431² = 13975871839142651522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643470831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (197892000).

Almost surely, 2^2643470431 is an apocalyptic number.

2643470431 is a deficient number, since it is larger than the sum of its proper divisors (522801569).

2643470431 is a wasteful number, since it uses less digits than its factorization.

2643470431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71958.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 2643470431 is about 51414.6908091452. The cubic root of 2643470431 is about 1382.6899905990.

The spelling of 2643470431 in words is "two billion, six hundred forty-three million, four hundred seventy thousand, four hundred thirty-one".