2651045534621 has 16 divisors (see below), whose sum is σ = 3007132466688. Its totient is φ = 2315274009600.

The previous prime is 2651045534611. The next prime is 2651045534629. The reversal of 2651045534621 is 1264355401562.

It is a cyclic number.

It is not a de Polignac number, because 2651045534621 - 2³⁴ = 2633865665437 is a prime.

It is a super-2 number, since 2×2651045534621² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651045534629) 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, 28326740 + ... + 28420173.

It is an arithmetic number, because the mean of its divisors is an integer number (187945779168).

Almost surely, 2^{2651045534621} is an apocalyptic number.

It is an amenable number.

2651045534621 is a deficient number, since it is larger than the sum of its proper divisors (356086932067).

2651045534621 is a wasteful number, since it uses less digits than its factorization.

2651045534621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56747092.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 2651045534621 in words is "two trillion, six hundred fifty-one billion, forty-five million, five hundred thirty-four thousand, six hundred twenty-one".