2942719857672 has 64 divisors (see below), whose sum is σ = 8437480596480. Its totient is φ = 837806144832.

The previous prime is 2942719857667. The next prime is 2942719857761. The reversal of 2942719857672 is 2767589172492.

It is a junction number, because it is equal to n+sod(n) for n = 2942719857597 and 2942719857606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30899788 + ... + 30994875.

It is an arithmetic number, because the mean of its divisors is an integer number (131835634320).

Almost surely, 2^{2942719857672} is an apocalyptic number.

It is an amenable number.

2942719857672 is an abundant number, since it is smaller than the sum of its proper divisors (5494760738808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2942719857672 is a wasteful number, since it uses less digits than its factorization.

2942719857672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61894962 (or 61894958 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 69.

The spelling of 2942719857672 in words is "two trillion, nine hundred forty-two billion, seven hundred nineteen million, eight hundred fifty-seven thousand, six hundred seventy-two".