613963465811 has 2 divisors, whose sum is σ = 613963465812. Its totient is φ = 613963465810.

The previous prime is 613963465699. The next prime is 613963465879. The reversal of 613963465811 is 118564369316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 613963465811 - 2¹⁰ = 613963464787 is a prime.

It is a super-2 number, since 2×613963465811² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (613963467811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306981732905 + 306981732906.

It is an arithmetic number, because the mean of its divisors is an integer number (306981732906).

Almost surely, 2^613963465811 is an apocalyptic number.

613963465811 is a deficient number, since it is larger than the sum of its proper divisors (1).

613963465811 is an equidigital number, since it uses as much as digits as its factorization.

613963465811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 53.

The spelling of 613963465811 in words is "six hundred thirteen billion, nine hundred sixty-three million, four hundred sixty-five thousand, eight hundred eleven".