10398402387 has 6 divisors (see below), whose sum is σ = 15019914572. Its totient is φ = 6932268252.

The previous prime is 10398402367. The next prime is 10398402401. The reversal of 10398402387 is 78320489301.

10398402387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10398402387 - 2¹² = 10398398291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10398402317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577689013 + ... + 577689030.

Almost surely, 2^10398402387 is an apocalyptic number.

10398402387 is a deficient number, since it is larger than the sum of its proper divisors (4621512185).

10398402387 is a wasteful number, since it uses less digits than its factorization.

10398402387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155378049 (or 1155378046 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 10398402387 in words is "ten billion, three hundred ninety-eight million, four hundred two thousand, three hundred eighty-seven".