83137574609 has 2 divisors, whose sum is σ = 83137574610. Its totient is φ = 83137574608.

The previous prime is 83137574587. The next prime is 83137574621. The reversal of 83137574609 is 90647573138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48057408400 + 35080166209 = 219220^2 + 187297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83137574609 is a prime.

It is not a weakly prime, because it can be changed into another prime (83137574659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41568787304 + 41568787305.

It is an arithmetic number, because the mean of its divisors is an integer number (41568787305).

Almost surely, 2^83137574609 is an apocalyptic number.

It is an amenable number.

83137574609 is a deficient number, since it is larger than the sum of its proper divisors (1).

83137574609 is an equidigital number, since it uses as much as digits as its factorization.

83137574609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 83137574609 in words is "eighty-three billion, one hundred thirty-seven million, five hundred seventy-four thousand, six hundred nine".