34612861021 has 2 divisors, whose sum is σ = 34612861022. Its totient is φ = 34612861020.

The previous prime is 34612861009. The next prime is 34612861027. The reversal of 34612861021 is 12016821643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25086124996 + 9526736025 = 158386^2 + 97605^2 .

It is a cyclic number.

It is not a de Polignac number, because 34612861021 - 2¹³ = 34612852829 is a prime.

It is a super-2 number, since 2×34612861021² (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 (34612861027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17306430510 + 17306430511.

It is an arithmetic number, because the mean of its divisors is an integer number (17306430511).

Almost surely, 2^34612861021 is an apocalyptic number.

It is an amenable number.

34612861021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34612861021 is an equidigital number, since it uses as much as digits as its factorization.

34612861021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 34612861021 in words is "thirty-four billion, six hundred twelve million, eight hundred sixty-one thousand, twenty-one".