2049707946556 has 12 divisors (see below), whose sum is σ = 3710678179320. Its totient is φ = 989514181040.

The previous prime is 2049707946551. The next prime is 2049707946569. The reversal of 2049707946556 is 6556497079402.

It is a super-2 number, since 2×2049707946556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049707946551) 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, 8834947930 + ... + 8834948161.

It is an arithmetic number, because the mean of its divisors is an integer number (309223181610).

Almost surely, 2^{2049707946556} is an apocalyptic number.

It is an amenable number.

2049707946556 is a deficient number, since it is larger than the sum of its proper divisors (1660970232764).

2049707946556 is a wasteful number, since it uses less digits than its factorization.

2049707946556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669896124 (or 17669896122 counting only the distinct ones).

The product of its (nonzero) digits is 114307200, while the sum is 64.

The spelling of 2049707946556 in words is "two trillion, forty-nine billion, seven hundred seven million, nine hundred forty-six thousand, five hundred fifty-six".