30621411046621 has 8 divisors (see below), whose sum is σ = 30736985251320. Its totient is φ = 30505849731072.

The previous prime is 30621411046609. The next prime is 30621411046693. The reversal of 30621411046621 is 12664011412603.

It can be written as a sum of positive squares in 4 ways, for example, as 3227489721 + 30618183556900 = 56811^2 + 5533370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30621411046621 is a prime.

It is a super-2 number, since 2×30621411046621² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30621411046921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551501 + ... + 7978093.

It is an arithmetic number, because the mean of its divisors is an integer number (3842123156415).

Almost surely, 2^{30621411046621} is an apocalyptic number.

It is an amenable number.

30621411046621 is a deficient number, since it is larger than the sum of its proper divisors (115574204699).

30621411046621 is a wasteful number, since it uses less digits than its factorization.

30621411046621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444575.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 30621411046621 in words is "thirty trillion, six hundred twenty-one billion, four hundred eleven million, forty-six thousand, six hundred twenty-one".