613963465799 has 16 divisors (see below), whose sum is σ = 647504390400. Its totient is φ = 580545890496.

The previous prime is 613963465699. The next prime is 613963465811. The reversal of 613963465799 is 997564369316.

It is a cyclic number.

It is not a de Polignac number, because 613963465799 - 2²⁴ = 613946688583 is a prime.

It is a super-2 number, since 2×613963465799² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613963465699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45428267 + ... + 45441779.

It is an arithmetic number, because the mean of its divisors is an integer number (40469024400).

Almost surely, 2^613963465799 is an apocalyptic number.

613963465799 is a deficient number, since it is larger than the sum of its proper divisors (33540924601).

613963465799 is a wasteful number, since it uses less digits than its factorization.

613963465799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17894.

The product of its digits is 198404640, while the sum is 68.

The spelling of 613963465799 in words is "six hundred thirteen billion, nine hundred sixty-three million, four hundred sixty-five thousand, seven hundred ninety-nine".