10398497642 has 16 divisors (see below), whose sum is σ = 16818319392. Its totient is φ = 4793379120.

The previous prime is 10398497587. The next prime is 10398497653. The reversal of 10398497642 is 24679489301.

10398497642 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225488 + ... + 267659.

It is an arithmetic number, because the mean of its divisors is an integer number (1051144962).

Almost surely, 2^10398497642 is an apocalyptic number.

10398497642 is a deficient number, since it is larger than the sum of its proper divisors (6419821750).

10398497642 is a wasteful number, since it uses less digits than its factorization.

10398497642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493973.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 10398497642 in words is "ten billion, three hundred ninety-eight million, four hundred ninety-seven thousand, six hundred forty-two".