2581630467708 has 12 divisors (see below), whose sum is σ = 6023804424680. Its totient is φ = 860543489232.

The previous prime is 2581630467677. The next prime is 2581630467709. The reversal of 2581630467708 is 8077640361852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581630467709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107567936143 + ... + 107567936166.

Almost surely, 2^{2581630467708} is an apocalyptic number.

It is an amenable number.

2581630467708 is an abundant number, since it is smaller than the sum of its proper divisors (3442173956972).

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

2581630467708 is a wasteful number, since it uses less digits than its factorization.

2581630467708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215135872316 (or 215135872314 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 2581630467708 in words is "two trillion, five hundred eighty-one billion, six hundred thirty million, four hundred sixty-seven thousand, seven hundred eight".