34503722621 has 2 divisors, whose sum is σ = 34503722622. Its totient is φ = 34503722620.

The previous prime is 34503722611. The next prime is 34503722639. The reversal of 34503722621 is 12622730543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33604022596 + 899700025 = 183314^2 + 29995^2 .

It is a cyclic number.

It is not a de Polignac number, because 34503722621 - 2¹⁸ = 34503460477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34503722611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17251861310 + 17251861311.

It is an arithmetic number, because the mean of its divisors is an integer number (17251861311).

Almost surely, 2^34503722621 is an apocalyptic number.

It is an amenable number.

34503722621 is a deficient number, since it is larger than the sum of its proper divisors (1).

34503722621 is an equidigital number, since it uses as much as digits as its factorization.

34503722621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 34503722621 in words is "thirty-four billion, five hundred three million, seven hundred twenty-two thousand, six hundred twenty-one".