5021605745 has 16 divisors (see below), whose sum is σ = 6491411472. Its totient is φ = 3707147520.

The previous prime is 5021605739. The next prime is 5021605829. The reversal of 5021605745 is 5475061205.

It can be written as a sum of positive squares in 8 ways, for example, as 277289104 + 4744316641 = 16652^2 + 68879^2 .

It is not a de Polignac number, because 5021605745 - 2²⁴ = 5004828529 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, 251759 + ... + 270971.

It is an arithmetic number, because the mean of its divisors is an integer number (405713217).

Almost surely, 2^5021605745 is an apocalyptic number.

It is an amenable number.

5021605745 is a deficient number, since it is larger than the sum of its proper divisors (1469805727).

5021605745 is a wasteful number, since it uses less digits than its factorization.

5021605745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 5021605745 is about 70863.2891206723. The cubic root of 5021605745 is about 1712.4354277604.

The spelling of 5021605745 in words is "five billion, twenty-one million, six hundred five thousand, seven hundred forty-five".