2628791265412 has 24 divisors (see below), whose sum is σ = 5075096086872. Its totient is φ = 1183695878400.

The previous prime is 2628791265379. The next prime is 2628791265433. The reversal of 2628791265412 is 2145621978262.

It can be written as a sum of positive squares in 4 ways, for example, as 234511621696 + 2394279643716 = 484264^2 + 1547346^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616506139 + ... + 616510402.

It is an arithmetic number, because the mean of its divisors is an integer number (211462336953).

Almost surely, 2^{2628791265412} is an apocalyptic number.

It is an amenable number.

2628791265412 is a deficient number, since it is larger than the sum of its proper divisors (2446304821460).

2628791265412 is a wasteful number, since it uses less digits than its factorization.

2628791265412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233016599 (or 1233016597 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 2628791265412 in words is "two trillion, six hundred twenty-eight billion, seven hundred ninety-one million, two hundred sixty-five thousand, four hundred twelve".