5634153721 has 9 divisors (see below), whose sum is σ = 6554626821. Its totient is φ = 4828824252.

The previous prime is 5634153691. The next prime is 5634153737. The reversal of 5634153721 is 1273514365.

The square root of 5634153721 is 75061.

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

It is not a de Polignac number, because 5634153721 - 2¹⁵ = 5634120953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5634153121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 520066 + ... + 530788.

It is an arithmetic number, because the mean of its divisors is an integer number (728291869).

Almost surely, 2^5634153721 is an apocalyptic number.

5634153721 is the 75061-st square number.

5634153721 is the 37531-st centered octagonal number.

It is an amenable number.

5634153721 is a deficient number, since it is larger than the sum of its proper divisors (920473100).

5634153721 is an frugal number, since it uses more digits than its factorization.

5634153721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460 (or 10730 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The cubic root of 5634153721 is about 1779.4108348701.

The spelling of 5634153721 in words is "five billion, six hundred thirty-four million, one hundred fifty-three thousand, seven hundred twenty-one".