34606515221 has 2 divisors, whose sum is σ = 34606515222. Its totient is φ = 34606515220.

The previous prime is 34606515149. The next prime is 34606515247. The reversal of 34606515221 is 12251560643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27362122225 + 7244392996 = 165415^2 + 85114^2 .

It is a cyclic number.

It is not a de Polignac number, because 34606515221 - 2²⁶ = 34539406357 is a prime.

It is a super-2 number, since 2×34606515221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34606515121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17303257610 + 17303257611.

It is an arithmetic number, because the mean of its divisors is an integer number (17303257611).

Almost surely, 2^34606515221 is an apocalyptic number.

It is an amenable number.

34606515221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34606515221 is an equidigital number, since it uses as much as digits as its factorization.

34606515221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 34606515221 in words is "thirty-four billion, six hundred six million, five hundred fifteen thousand, two hundred twenty-one".