5149749025 has 6 divisors (see below), whose sum is σ = 6385688822. Its totient is φ = 4119799200.

The previous prime is 5149748977. The next prime is 5149749079. The reversal of 5149749025 is 5209479415.

It can be written as a sum of positive squares in 3 ways, for example, as 15023376 + 5134725649 = 3876^2 + 71657^2 .

It is not a de Polignac number, because 5149749025 - 2¹⁷ = 5149617953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102994956 + ... + 102995005.

Almost surely, 2^5149749025 is an apocalyptic number.

It is an amenable number.

5149749025 is a deficient number, since it is larger than the sum of its proper divisors (1235939797).

5149749025 is a wasteful number, since it uses less digits than its factorization.

5149749025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205989971 (or 205989966 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 5149749025 is about 71761.7518250495. The cubic root of 5149749025 is about 1726.8794498125.

The spelling of 5149749025 in words is "five billion, one hundred forty-nine million, seven hundred forty-nine thousand, twenty-five".