2492779491612 has 120 divisors (see below), whose sum is σ = 6669164502000. Its totient is φ = 811481255424.

The previous prime is 2492779491607. The next prime is 2492779491619. The reversal of 2492779491612 is 2161949772942.

2492779491612 is a `hidden beast` number, since 2 + 4 + 9 + 2 + 7 + 7 + 9 + 4 + 9 + 1 + 612 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2492779491612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492779491619) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 182627764 + ... + 182641412.

It is an arithmetic number, because the mean of its divisors is an integer number (55576370850).

Almost surely, 2^{2492779491612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2492779491612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3334582251000).

2492779491612 is an abundant number, since it is smaller than the sum of its proper divisors (4176385010388).

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

2492779491612 is a wasteful number, since it uses less digits than its factorization.

2492779491612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26817 (or 26806 counting only the distinct ones).

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

The spelling of 2492779491612 in words is "two trillion, four hundred ninety-two billion, seven hundred seventy-nine million, four hundred ninety-one thousand, six hundred twelve".