34155001345021 has 2 divisors, whose sum is σ = 34155001345022. Its totient is φ = 34155001345020.

The previous prime is 34155001344967. The next prime is 34155001345051. The reversal of 34155001345021 is 12054310055143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20374119612900 + 13780881732121 = 4513770^2 + 3712261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34155001345021 is a prime.

It is a super-3 number, since 3×34155001345021³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34155001345051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17077500672510 + 17077500672511.

It is an arithmetic number, because the mean of its divisors is an integer number (17077500672511).

Almost surely, 2^{34155001345021} is an apocalyptic number.

It is an amenable number.

34155001345021 is a deficient number, since it is larger than the sum of its proper divisors (1).

34155001345021 is an equidigital number, since it uses as much as digits as its factorization.

34155001345021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 34155001345021 in words is "thirty-four trillion, one hundred fifty-five billion, one million, three hundred forty-five thousand, twenty-one".