30290104877621 has 4 divisors (see below), whose sum is σ = 30291657678432. Its totient is φ = 30288552076812.

The previous prime is 30290104877531. The next prime is 30290104877653. The reversal of 30290104877621 is 12677840109203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30290104877621 - 2³⁴ = 30272925008437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30290104877621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30290104874621) 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, 776371145 + ... + 776410158.

It is an arithmetic number, because the mean of its divisors is an integer number (7572914419608).

Almost surely, 2^{30290104877621} is an apocalyptic number.

It is an amenable number.

30290104877621 is a deficient number, since it is larger than the sum of its proper divisors (1552800811).

30290104877621 is a wasteful number, since it uses less digits than its factorization.

30290104877621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552800810.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 30290104877621 in words is "thirty trillion, two hundred ninety billion, one hundred four million, eight hundred seventy-seven thousand, six hundred twenty-one".