2681490296844 has 36 divisors (see below), whose sum is σ = 6813331868616. Its totient is φ = 889198852608.

The previous prime is 2681490296843. The next prime is 2681490296857. The reversal of 2681490296844 is 4486920941862.

2681490296844 is a `hidden beast` number, since 2 + 6 + 81 + 490 + 2 + 9 + 68 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2681490296843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192961554 + ... + 192975449.

Almost surely, 2^{2681490296844} is an apocalyptic number.

It is an amenable number.

2681490296844 is an abundant number, since it is smaller than the sum of its proper divisors (4131841571772).

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

2681490296844 is a wasteful number, since it uses less digits than its factorization.

2681490296844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385937206 (or 385937201 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 2681490296844 in words is "two trillion, six hundred eighty-one billion, four hundred ninety million, two hundred ninety-six thousand, eight hundred forty-four".