5214193991 has 2 divisors, whose sum is σ = 5214193992. Its totient is φ = 5214193990.

The previous prime is 5214193987. The next prime is 5214194003. The reversal of 5214193991 is 1993914125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5214193991 - 2² = 5214193987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5214190991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607096995 + 2607096996.

It is an arithmetic number, because the mean of its divisors is an integer number (2607096996).

Almost surely, 2^5214193991 is an apocalyptic number.

5214193991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5214193991 is an equidigital number, since it uses as much as digits as its factorization.

5214193991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 44.

The square root of 5214193991 is about 72209.3760601766. The cubic root of 5214193991 is about 1734.0531106533.

The spelling of 5214193991 in words is "five billion, two hundred fourteen million, one hundred ninety-three thousand, nine hundred ninety-one".