2492719172947 has 16 divisors (see below), whose sum is σ = 2511777647808. Its totient is φ = 2473743467520.

The previous prime is 2492719172939. The next prime is 2492719172981. The reversal of 2492719172947 is 7492719172942.

It is a cyclic number.

It is not a de Polignac number, because 2492719172947 - 2³ = 2492719172939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2492719272947) 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, 143308683 + ... + 143326075.

It is an arithmetic number, because the mean of its divisors is an integer number (156986102988).

Almost surely, 2^{2492719172947} is an apocalyptic number.

2492719172947 is a deficient number, since it is larger than the sum of its proper divisors (19058474861).

2492719172947 is a wasteful number, since it uses less digits than its factorization.

2492719172947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19710.

The product of its digits is 32006016, while the sum is 64.

The spelling of 2492719172947 in words is "two trillion, four hundred ninety-two billion, seven hundred nineteen million, one hundred seventy-two thousand, nine hundred forty-seven".