83072293613 has 2 divisors, whose sum is σ = 83072293614. Its totient is φ = 83072293612.

The previous prime is 83072293609. The next prime is 83072293663. The reversal of 83072293613 is 31639227038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80981792329 + 2090501284 = 284573^2 + 45722^2 .

It is a cyclic number.

It is not a de Polignac number, because 83072293613 - 2² = 83072293609 is a prime.

It is a super-2 number, since 2×83072293613² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83072293663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41536146806 + 41536146807.

It is an arithmetic number, because the mean of its divisors is an integer number (41536146807).

Almost surely, 2^83072293613 is an apocalyptic number.

It is an amenable number.

83072293613 is a deficient number, since it is larger than the sum of its proper divisors (1).

83072293613 is an equidigital number, since it uses as much as digits as its factorization.

83072293613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 83072293613 in words is "eighty-three billion, seventy-two million, two hundred ninety-three thousand, six hundred thirteen".