17970911379 has 48 divisors (see below), whose sum is σ = 28565222400. Its totient is φ = 10836384768.

The previous prime is 17970911339. The next prime is 17970911407. The reversal of 17970911379 is 97311907971.

It is not a de Polignac number, because 17970911379 - 2⁷ = 17970911251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17970911339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2265382 + ... + 2273300.

It is an arithmetic number, because the mean of its divisors is an integer number (595108800).

Almost surely, 2^17970911379 is an apocalyptic number.

17970911379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

17970911379 is a deficient number, since it is larger than the sum of its proper divisors (10594311021).

17970911379 is a wasteful number, since it uses less digits than its factorization.

17970911379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544 (or 8541 counting only the distinct ones).

The product of its (nonzero) digits is 750141, while the sum is 54.

The spelling of 17970911379 in words is "seventeen billion, nine hundred seventy million, nine hundred eleven thousand, three hundred seventy-nine".