431540653049 has 16 divisors (see below), whose sum is σ = 498507016896. Its totient is φ = 369200832000.

The previous prime is 431540653039. The next prime is 431540653121. The reversal of 431540653049 is 940356045134.

It is not a de Polignac number, because 431540653049 - 2³⁶ = 362821176313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431540653039) 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, 2221274 + ... + 2407724.

It is an arithmetic number, because the mean of its divisors is an integer number (31156688556).

Almost surely, 2^431540653049 is an apocalyptic number.

It is an amenable number.

431540653049 is a deficient number, since it is larger than the sum of its proper divisors (66966363847).

431540653049 is a wasteful number, since it uses less digits than its factorization.

431540653049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198856.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 431540653049 in words is "four hundred thirty-one billion, five hundred forty million, six hundred fifty-three thousand, forty-nine".