10018718397 has 12 divisors (see below), whose sum is σ = 14474128864. Its totient is φ = 6677924040.

The previous prime is 10018718389. The next prime is 10018718407. The reversal of 10018718397 is 79381781001.

It is a happy number.

It is not a de Polignac number, because 10018718397 - 2³ = 10018718389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10018718357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48379 + ... + 149592.

Almost surely, 2^10018718397 is an apocalyptic number.

It is an amenable number.

10018718397 is a deficient number, since it is larger than the sum of its proper divisors (4455410467).

10018718397 is a wasteful number, since it uses less digits than its factorization.

10018718397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203600 (or 203597 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 45.

The spelling of 10018718397 in words is "ten billion, eighteen million, seven hundred eighteen thousand, three hundred ninety-seven".