453378030657 has 48 divisors (see below), whose sum is σ = 646651517952. Its totient is φ = 282487645440.

The previous prime is 453378030643. The next prime is 453378030671. The reversal of 453378030657 is 756030873354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (453378030643) and next prime (453378030671).

It is not a de Polignac number, because 453378030657 - 2⁸ = 453378030401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (453378030617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75471948 + ... + 75477954.

It is an arithmetic number, because the mean of its divisors is an integer number (13471906624).

Almost surely, 2^453378030657 is an apocalyptic number.

It is an amenable number.

453378030657 is a deficient number, since it is larger than the sum of its proper divisors (193273487295).

453378030657 is a wasteful number, since it uses less digits than its factorization.

453378030657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638 (or 6621 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 453378030657 in words is "four hundred fifty-three billion, three hundred seventy-eight million, thirty thousand, six hundred fifty-seven".