5436749868625 has 16 divisors (see below), whose sum is σ = 6785145890640. Its totient is φ = 4349347296000.

The previous prime is 5436749868553. The next prime is 5436749868659. The reversal of 5436749868625 is 5268689476345.

It can be written as a sum of positive squares in 8 ways, for example, as 1329159963664 + 4107589904961 = 1152892^2 + 2026719^2 .

It is not a de Polignac number, because 5436749868625 - 2³⁷ = 5299310915153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12634515 + ... + 13057735.

It is an arithmetic number, because the mean of its divisors is an integer number (424071618165).

Almost surely, 2^{5436749868625} is an apocalyptic number.

It is an amenable number.

5436749868625 is a deficient number, since it is larger than the sum of its proper divisors (1348396022015).

5436749868625 is a wasteful number, since it uses less digits than its factorization.

5436749868625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526005 (or 525995 counting only the distinct ones).

The product of its digits is 2090188800, while the sum is 73.

The spelling of 5436749868625 in words is "five trillion, four hundred thirty-six billion, seven hundred forty-nine million, eight hundred sixty-eight thousand, six hundred twenty-five".