5149395745 has 8 divisors (see below), whose sum is σ = 6654603816. Its totient is φ = 3802630656.

The previous prime is 5149395737. The next prime is 5149395773. The reversal of 5149395745 is 5475939415.

It can be written as a sum of positive squares in 4 ways, for example, as 206180881 + 4943214864 = 14359^2 + 70308^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5149395745 - 2³ = 5149395737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5149395692 and 5149395701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39610672 + ... + 39610801.

It is an arithmetic number, because the mean of its divisors is an integer number (831825477).

Almost surely, 2^5149395745 is an apocalyptic number.

It is an amenable number.

5149395745 is a deficient number, since it is larger than the sum of its proper divisors (1505208071).

5149395745 is a wasteful number, since it uses less digits than its factorization.

5149395745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79221491.

The product of its digits is 3402000, while the sum is 52.

The square root of 5149395745 is about 71759.2903044616. The cubic root of 5149395745 is about 1726.8399601261.

The spelling of 5149395745 in words is "five billion, one hundred forty-nine million, three hundred ninety-five thousand, seven hundred forty-five".