5404192021 has 12 divisors (see below), whose sum is σ = 5900280300. Its totient is φ = 4943207808.

The previous prime is 5404192007. The next prime is 5404192037. The reversal of 5404192021 is 1202914045.

It can be written as a sum of positive squares in 2 ways, for example, as 2791959921 + 2612232100 = 52839^2 + 51110^2 .

It is not a de Polignac number, because 5404192021 - 2²⁷ = 5269974293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5404192121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247636 + ... + 268573.

It is an arithmetic number, because the mean of its divisors is an integer number (491690025).

Almost surely, 2^5404192021 is an apocalyptic number.

It is an amenable number.

5404192021 is a deficient number, since it is larger than the sum of its proper divisors (496088279).

5404192021 is a wasteful number, since it uses less digits than its factorization.

5404192021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516276 (or 516257 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5404192021 is about 73513.2098401369. The cubic root of 5404192021 is about 1754.8645086050.

The spelling of 5404192021 in words is "five billion, four hundred four million, one hundred ninety-two thousand, twenty-one".