2979440071893 has 24 divisors (see below), whose sum is σ = 4491025051968. Its totient is φ = 1899816538752.

The previous prime is 2979440071877. The next prime is 2979440071901. The reversal of 2979440071893 is 3981700449792.

2979440071893 is a `hidden beast` number, since 2 + 9 + 7 + 9 + 440 + 0 + 7 + 189 + 3 = 666.

It is not a de Polignac number, because 2979440071893 - 2⁴ = 2979440071877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2979440071893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979440071823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3015946 + ... + 3880052.

It is an arithmetic number, because the mean of its divisors is an integer number (187126043832).

Almost surely, 2^{2979440071893} is an apocalyptic number.

2979440071893 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2979440071893 is a deficient number, since it is larger than the sum of its proper divisors (1511584980075).

2979440071893 is a wasteful number, since it uses less digits than its factorization.

2979440071893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880793 (or 880790 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 2979440071893 in words is "two trillion, nine hundred seventy-nine billion, four hundred forty million, seventy-one thousand, eight hundred ninety-three".