83530415999 has 2 divisors, whose sum is σ = 83530416000. Its totient is φ = 83530415998.

The previous prime is 83530415993. The next prime is 83530416029. The reversal of 83530415999 is 99951403538.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83530415999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83530415993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41765207999 + 41765208000.

It is an arithmetic number, because the mean of its divisors is an integer number (41765208000).

Almost surely, 2^83530415999 is an apocalyptic number.

83530415999 is a deficient number, since it is larger than the sum of its proper divisors (1).

83530415999 is an equidigital number, since it uses as much as digits as its factorization.

83530415999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 83530415999 in words is "eighty-three billion, five hundred thirty million, four hundred fifteen thousand, nine hundred ninety-nine".