1450640460457 has 2 divisors, whose sum is σ = 1450640460458. Its totient is φ = 1450640460456.

The previous prime is 1450640460449. The next prime is 1450640460553. The reversal of 1450640460457 is 7540640460541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1448210069056 + 2430391401 = 1203416^2 + 49299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450640460457 - 2³ = 1450640460449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1450640460427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725320230228 + 725320230229.

It is an arithmetic number, because the mean of its divisors is an integer number (725320230229).

Almost surely, 2^{1450640460457} is an apocalyptic number.

It is an amenable number.

1450640460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450640460457 is an equidigital number, since it uses as much as digits as its factorization.

1450640460457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 1450640460457 in words is "one trillion, four hundred fifty billion, six hundred forty million, four hundred sixty thousand, four hundred fifty-seven".