7514399491 has 2 divisors, whose sum is σ = 7514399492. Its totient is φ = 7514399490.

The previous prime is 7514399479. The next prime is 7514399533. The reversal of 7514399491 is 1949934157.

It is a weak prime.

It is an emirp because it is prime and its reverse (1949934157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7514399491 - 2⁹ = 7514398979 is a prime.

It is not a weakly prime, because it can be changed into another prime (7514399441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3757199745 + 3757199746.

It is an arithmetic number, because the mean of its divisors is an integer number (3757199746).

Almost surely, 2^7514399491 is an apocalyptic number.

7514399491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7514399491 is an equidigital number, since it uses as much as digits as its factorization.

7514399491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 52.

The square root of 7514399491 is about 86685.6360131250. The cubic root of 7514399491 is about 1958.6857330939.

The spelling of 7514399491 in words is "seven billion, five hundred fourteen million, three hundred ninety-nine thousand, four hundred ninety-one".