5404307370521 has 4 divisors (see below), whose sum is σ = 5404424776500. Its totient is φ = 5404189964544.

The previous prime is 5404307370499. The next prime is 5404307370601. The reversal of 5404307370521 is 1250737034045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2011844376025 + 3392462994496 = 1418395^2 + 1841864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5404307370521 - 2¹⁰ = 5404307369497 is a prime.

It is a super-2 number, since 2×5404307370521² (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 (5404307370221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58633916 + ... + 58726013.

It is an arithmetic number, because the mean of its divisors is an integer number (1351106194125).

Almost surely, 2^{5404307370521} is an apocalyptic number.

It is an amenable number.

5404307370521 is a deficient number, since it is larger than the sum of its proper divisors (117405979).

5404307370521 is a wasteful number, since it uses less digits than its factorization.

5404307370521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117405978.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 5404307370521 in words is "five trillion, four hundred four billion, three hundred seven million, three hundred seventy thousand, five hundred twenty-one".