630454955 has 16 divisors (see below), whose sum is σ = 850167360. Its totient is φ = 445323648.

The previous prime is 630454939. The next prime is 630454961. The reversal of 630454955 is 559454036.

It is a cyclic number.

It is not a de Polignac number, because 630454955 - 2⁴ = 630454939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209360 + ... + 212349.

It is an arithmetic number, because the mean of its divisors is an integer number (53135460).

Almost surely, 2^630454955 is an apocalyptic number.

630454955 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

630454955 is a deficient number, since it is larger than the sum of its proper divisors (219712405).

630454955 is a wasteful number, since it uses less digits than its factorization.

630454955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421750.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 630454955 is about 25108.8620809466. The cubic root of 630454955 is about 857.4681960285.

The spelling of 630454955 in words is "six hundred thirty million, four hundred fifty-four thousand, nine hundred fifty-five".