1457620459 has 2 divisors, whose sum is σ = 1457620460. Its totient is φ = 1457620458.

The previous prime is 1457620427. The next prime is 1457620501. The reversal of 1457620459 is 9540267541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1457620459 - 2⁵ = 1457620427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1457620159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728810229 + 728810230.

It is an arithmetic number, because the mean of its divisors is an integer number (728810230).

Almost surely, 2^1457620459 is an apocalyptic number.

1457620459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457620459 is an equidigital number, since it uses as much as digits as its factorization.

1457620459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 1457620459 is about 38178.7959343927. The cubic root of 1457620459 is about 1133.8305430134.

The spelling of 1457620459 in words is "one billion, four hundred fifty-seven million, six hundred twenty thousand, four hundred fifty-nine".