5730465157921 has 27 divisors (see below), whose sum is σ = 6695359855257. Its totient is φ = 4890325816320.

The previous prime is 5730465157877. The next prime is 5730465157951. The reversal of 5730465157921 is 1297515640375.

The square root of 5730465157921 is 2393839.

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

It can be written as a sum of positive squares in 4 ways, for example, as 837813025 + 5729627344896 = 28945^2 + 2393664^2 .

It is not a de Polignac number, because 5730465157921 - 2¹³ = 5730465149729 is a prime.

It is a super-2 number, since 2×5730465157921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5730465157951) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4708680705 + ... + 4708681921.

Almost surely, 2^{5730465157921} is an apocalyptic number.

5730465157921 is the 2393839-th square number.

5730465157921 is the 1196920-th centered octagonal number.

It is an amenable number.

5730465157921 is a deficient number, since it is larger than the sum of its proper divisors (964894697336).

5730465157921 is an frugal number, since it uses more digits than its factorization.

5730465157921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 5730465157921 in words is "five trillion, seven hundred thirty billion, four hundred sixty-five million, one hundred fifty-seven thousand, nine hundred twenty-one".