1457979791 has 2 divisors, whose sum is σ = 1457979792. Its totient is φ = 1457979790.

The previous prime is 1457979767. The next prime is 1457979793. The reversal of 1457979791 is 1979797541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1457979791 - 2¹⁸ = 1457717647 is a prime.

Together with 1457979793, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1457979791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457979793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728989895 + 728989896.

It is an arithmetic number, because the mean of its divisors is an integer number (728989896).

Almost surely, 2^1457979791 is an apocalyptic number.

1457979791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457979791 is an equidigital number, since it uses as much as digits as its factorization.

1457979791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5000940, while the sum is 59.

The square root of 1457979791 is about 38183.5015549910. The cubic root of 1457979791 is about 1133.9237058391.

The spelling of 1457979791 in words is "one billion, four hundred fifty-seven million, nine hundred seventy-nine thousand, seven hundred ninety-one".