2261751213654 has 12 divisors (see below), whose sum is σ = 4900460962956. Its totient is φ = 753917071212.

The previous prime is 2261751213643. The next prime is 2261751213661. The reversal of 2261751213654 is 4563121571622.

2261751213654 is a `hidden beast` number, since 2 + 2 + 61 + 7 + 512 + 13 + 65 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62826422584 + ... + 62826422619.

It is an arithmetic number, because the mean of its divisors is an integer number (408371746913).

Almost surely, 2^{2261751213654} is an apocalyptic number.

2261751213654 is an abundant number, since it is smaller than the sum of its proper divisors (2638709749302).

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

2261751213654 is a wasteful number, since it uses less digits than its factorization.

2261751213654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125652845211 (or 125652845208 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 2261751213654 in words is "two trillion, two hundred sixty-one billion, seven hundred fifty-one million, two hundred thirteen thousand, six hundred fifty-four".