2945837721764 has 48 divisors (see below), whose sum is σ = 5895530274816. Its totient is φ = 1261676196000.

The previous prime is 2945837721737. The next prime is 2945837721767. The reversal of 2945837721764 is 4671277385492.

It is a self number, because there is not a number n which added to its sum of digits gives 2945837721764.

It is not an unprimeable number, because it can be changed into a prime (2945837721767) 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, 449674289 + ... + 449680839.

It is an arithmetic number, because the mean of its divisors is an integer number (122823547392).

Almost surely, 2^{2945837721764} is an apocalyptic number.

It is an amenable number.

2945837721764 is an abundant number, since it is smaller than the sum of its proper divisors (2949692553052).

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

2945837721764 is a wasteful number, since it uses less digits than its factorization.

2945837721764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14616 (or 14614 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 65.

The spelling of 2945837721764 in words is "two trillion, nine hundred forty-five billion, eight hundred thirty-seven million, seven hundred twenty-one thousand, seven hundred sixty-four".