34645950720061 has 2 divisors, whose sum is σ = 34645950720062. Its totient is φ = 34645950720060.

The previous prime is 34645950719987. The next prime is 34645950720083. The reversal of 34645950720061 is 16002705954643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32040196084836 + 2605754635225 = 5660406^2 + 1614235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34645950720061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34645950719990 and 34645950720008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34645950720361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17322975360030 + 17322975360031.

It is an arithmetic number, because the mean of its divisors is an integer number (17322975360031).

Almost surely, 2^{34645950720061} is an apocalyptic number.

It is an amenable number.

34645950720061 is a deficient number, since it is larger than the sum of its proper divisors (1).

34645950720061 is an equidigital number, since it uses as much as digits as its factorization.

34645950720061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 34645950720061 in words is "thirty-four trillion, six hundred forty-five billion, nine hundred fifty million, seven hundred twenty thousand, sixty-one".