30621434088943 has 2 divisors, whose sum is σ = 30621434088944. Its totient is φ = 30621434088942.

The previous prime is 30621434088887. The next prime is 30621434088997. The reversal of 30621434088943 is 34988043412603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30621434088943 - 2²¹ = 30621431991791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30621434080943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15310717044471 + 15310717044472.

It is an arithmetic number, because the mean of its divisors is an integer number (15310717044472).

Almost surely, 2^{30621434088943} is an apocalyptic number.

30621434088943 is a deficient number, since it is larger than the sum of its proper divisors (1).

30621434088943 is an equidigital number, since it uses as much as digits as its factorization.

30621434088943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 30621434088943 in words is "thirty trillion, six hundred twenty-one billion, four hundred thirty-four million, eighty-eight thousand, nine hundred forty-three".