2149560635044 has 27 divisors (see below), whose sum is σ = 3772667166723. Its totient is φ = 1071664774272.

The previous prime is 2149560635017. The next prime is 2149560635071. The reversal of 2149560635044 is 4405360659412.

The square root of 2149560635044 is 1466138.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2149560635017) and next prime (2149560635071).

It can be written as a sum of positive squares in 4 ways, for example, as 614439635044 + 1535121000000 = 783862^2 + 1239000^2 .

It is a super-2 number, since 2×2149560635044² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1269674662 + ... + 1269676354.

Almost surely, 2^{2149560635044} is an apocalyptic number.

2149560635044 is the 1466138-th square number.

It is an amenable number.

2149560635044 is a deficient number, since it is larger than the sum of its proper divisors (1623106531679).

2149560635044 is an frugal number, since it uses more digits than its factorization.

2149560635044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

Multiplying 2149560635044 by its sum of digits (49), we get a square (105328471117156 = 10262966²).

The spelling of 2149560635044 in words is "two trillion, one hundred forty-nine billion, five hundred sixty million, six hundred thirty-five thousand, forty-four".