2499052493556 has 18 divisors (see below), whose sum is σ = 6317049358802. Its totient is φ = 833017497840.

The previous prime is 2499052493537. The next prime is 2499052493557. The reversal of 2499052493556 is 6553942509942.

2499052493556 is a `hidden beast` number, since 2 + 4 + 9 + 90 + 5 + 2 + 493 + 5 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1668282224400 + 830770269156 = 1291620^2 + 911466^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2499052493556² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2499052493493 and 2499052493502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499052493557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34709062375 + ... + 34709062446.

Almost surely, 2^{2499052493556} is an apocalyptic number.

It is an amenable number.

2499052493556 is an abundant number, since it is smaller than the sum of its proper divisors (3817996865246).

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

2499052493556 is a wasteful number, since it uses less digits than its factorization.

2499052493556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69418124831 (or 69418124826 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 2499052493556 in words is "two trillion, four hundred ninety-nine billion, fifty-two million, four hundred ninety-three thousand, five hundred fifty-six".