630461011 has 4 divisors (see below), whose sum is σ = 632049472. Its totient is φ = 628872552.

The previous prime is 630461009. The next prime is 630461057. The reversal of 630461011 is 110164036.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630461011 - 2¹ = 630461009 is a prime.

It is a super-2 number, since 2×630461011² = 794962172782284242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630461071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793635 + ... + 794428.

It is an arithmetic number, because the mean of its divisors is an integer number (158012368).

Almost surely, 2^630461011 is an apocalyptic number.

630461011 is a deficient number, since it is larger than the sum of its proper divisors (1588461).

630461011 is a wasteful number, since it uses less digits than its factorization.

630461011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588460.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 630461011 is about 25108.9826755287. The cubic root of 630461011 is about 857.4709415647.

The spelling of 630461011 in words is "six hundred thirty million, four hundred sixty-one thousand, eleven".