83630000749 has 2 divisors, whose sum is σ = 83630000750. Its totient is φ = 83630000748.

The previous prime is 83630000731. The next prime is 83630000771. The reversal of 83630000749 is 94700003638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44344778724 + 39285222025 = 210582^2 + 198205^2 .

It is a cyclic number.

It is not a de Polignac number, because 83630000749 - 2⁷ = 83630000621 is a prime.

It is a super-2 number, since 2×83630000749² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41815000374 + 41815000375.

It is an arithmetic number, because the mean of its divisors is an integer number (41815000375).

Almost surely, 2^83630000749 is an apocalyptic number.

It is an amenable number.

83630000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

83630000749 is an equidigital number, since it uses as much as digits as its factorization.

83630000749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 83630000749 in words is "eighty-three billion, six hundred thirty million, seven hundred forty-nine", and thus it is an aban number.