5621157019 has 2 divisors, whose sum is σ = 5621157020. Its totient is φ = 5621157018.

The previous prime is 5621157007. The next prime is 5621157043. The reversal of 5621157019 is 9107511265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5621157019 - 2⁵ = 5621156987 is a prime.

It is a super-2 number, since 2×5621157019² = 63194812464505932722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5621157419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810578509 + 2810578510.

It is an arithmetic number, because the mean of its divisors is an integer number (2810578510).

Almost surely, 2^5621157019 is an apocalyptic number.

5621157019 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621157019 is an equidigital number, since it uses as much as digits as its factorization.

5621157019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 37.

The square root of 5621157019 is about 74974.3757493185. The cubic root of 5621157019 is about 1778.0415503944.

The spelling of 5621157019 in words is "five billion, six hundred twenty-one million, one hundred fifty-seven thousand, nineteen".