30353675621 has 12 divisors (see below), whose sum is σ = 31817443392. Its totient is φ = 28954653816.

The previous prime is 30353675603. The next prime is 30353675623. The reversal of 30353675621 is 12657635303.

It is a happy number.

It is not a de Polignac number, because 30353675621 - 2²² = 30349481317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30353675623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115970 + ... + 272316.

It is an arithmetic number, because the mean of its divisors is an integer number (2651453616).

Almost surely, 2^30353675621 is an apocalyptic number.

It is an amenable number.

30353675621 is a deficient number, since it is larger than the sum of its proper divisors (1463767771).

30353675621 is a wasteful number, since it uses less digits than its factorization.

30353675621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156760 (or 156737 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 30353675621 in words is "thirty billion, three hundred fifty-three million, six hundred seventy-five thousand, six hundred twenty-one".