30621100465 has 4 divisors (see below), whose sum is σ = 36745320564. Its totient is φ = 24496880368.

The previous prime is 30621100459. The next prime is 30621100567. The reversal of 30621100465 is 56400112603.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15891879969 + 14729220496 = 126063^2 + 121364^2 .

It is a cyclic number.

It is not a de Polignac number, because 30621100465 - 2³ = 30621100457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3062110042 + ... + 3062110051.

It is an arithmetic number, because the mean of its divisors is an integer number (9186330141).

Almost surely, 2^30621100465 is an apocalyptic number.

It is an amenable number.

30621100465 is a deficient number, since it is larger than the sum of its proper divisors (6124220099).

30621100465 is an equidigital number, since it uses as much as digits as its factorization.

30621100465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124220098.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 30621100465 in words is "thirty billion, six hundred twenty-one million, one hundred thousand, four hundred sixty-five".