5014221991 has 2 divisors, whose sum is σ = 5014221992. Its totient is φ = 5014221990.

The previous prime is 5014221983. The next prime is 5014222043. The reversal of 5014221991 is 1991224105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5014221991 - 2³ = 5014221983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5014221941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507110995 + 2507110996.

It is an arithmetic number, because the mean of its divisors is an integer number (2507110996).

Almost surely, 2^5014221991 is an apocalyptic number.

5014221991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5014221991 is an equidigital number, since it uses as much as digits as its factorization.

5014221991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 5014221991 is about 70811.1713714722. The cubic root of 5014221991 is about 1711.5956960769.

The spelling of 5014221991 in words is "five billion, fourteen million, two hundred twenty-one thousand, nine hundred ninety-one".