83763396553 has 2 divisors, whose sum is σ = 83763396554. Its totient is φ = 83763396552.

The previous prime is 83763396547. The next prime is 83763396589. The reversal of 83763396553 is 35569336738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83621023929 + 142372624 = 289173^2 + 11932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83763396553 is a prime.

It is not a weakly prime, because it can be changed into another prime (83763306553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41881698276 + 41881698277.

It is an arithmetic number, because the mean of its divisors is an integer number (41881698277).

Almost surely, 2^83763396553 is an apocalyptic number.

It is an amenable number.

83763396553 is a deficient number, since it is larger than the sum of its proper divisors (1).

83763396553 is an equidigital number, since it uses as much as digits as its factorization.

83763396553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36741600, while the sum is 58.

The spelling of 83763396553 in words is "eighty-three billion, seven hundred sixty-three million, three hundred ninety-six thousand, five hundred fifty-three".