5011393021 has 4 divisors (see below), whose sum is σ = 5012844444. Its totient is φ = 5009941600.

The previous prime is 5011392979. The next prime is 5011393027. The reversal of 5011393021 is 1203931105.

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 967832100 + 4043560921 = 31110^2 + 63589^2 .

It is a cyclic number.

It is not a de Polignac number, because 5011393021 - 2²⁷ = 4877175293 is a prime.

It is a super-2 number, since 2×5011393021² = 50228120021855012882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011393027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720520 + ... + 727441.

It is an arithmetic number, because the mean of its divisors is an integer number (1253211111).

Almost surely, 2^5011393021 is an apocalyptic number.

It is an amenable number.

5011393021 is a deficient number, since it is larger than the sum of its proper divisors (1451423).

5011393021 is a wasteful number, since it uses less digits than its factorization.

5011393021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451422.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 5011393021 is about 70791.1931033797. The cubic root of 5011393021 is about 1711.2737475751.

The spelling of 5011393021 in words is "five billion, eleven million, three hundred ninety-three thousand, twenty-one".