10198862391 has 16 divisors (see below), whose sum is σ = 14048778240. Its totient is φ = 6574457760.

The previous prime is 10198862327. The next prime is 10198862413. The reversal of 10198862391 is 19326889101.

It is not a de Polignac number, because 10198862391 - 2⁶ = 10198862327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10198862391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10198842391) 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, 68905 + ... + 158573.

It is an arithmetic number, because the mean of its divisors is an integer number (878048640).

Almost surely, 2^10198862391 is an apocalyptic number.

10198862391 is a deficient number, since it is larger than the sum of its proper divisors (3849915849).

10198862391 is a wasteful number, since it uses less digits than its factorization.

10198862391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90926.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 10198862391 in words is "ten billion, one hundred ninety-eight million, eight hundred sixty-two thousand, three hundred ninety-one".