68579299037 has 2 divisors, whose sum is σ = 68579299038. Its totient is φ = 68579299036.

The previous prime is 68579299001. The next prime is 68579299079. The reversal of 68579299037 is 73099297586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68361854521 + 217444516 = 261461^2 + 14746^2 .

It is a cyclic number.

It is not a de Polignac number, because 68579299037 - 2²⁴ = 68562521821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68579299937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34289649518 + 34289649519.

It is an arithmetic number, because the mean of its divisors is an integer number (34289649519).

Almost surely, 2^68579299037 is an apocalyptic number.

It is an amenable number.

68579299037 is a deficient number, since it is larger than the sum of its proper divisors (1).

68579299037 is an equidigital number, since it uses as much as digits as its factorization.

68579299037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51438240, while the sum is 65.

The spelling of 68579299037 in words is "sixty-eight billion, five hundred seventy-nine million, two hundred ninety-nine thousand, thirty-seven".