616531263014603 has 2 divisors, whose sum is σ = 616531263014604. Its totient is φ = 616531263014602.

The previous prime is 616531263014533. The next prime is 616531263014657. The reversal of 616531263014603 is 306410362135616.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616531263014603 - 2²⁶ = 616531195905739 is a prime.

It is a super-2 number, since 2×616531263014603² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (616531263014503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308265631507301 + 308265631507302.

It is an arithmetic number, because the mean of its divisors is an integer number (308265631507302).

Almost surely, 2^{616531263014603} is an apocalyptic number.

616531263014603 is a deficient number, since it is larger than the sum of its proper divisors (1).

616531263014603 is an equidigital number, since it uses as much as digits as its factorization.

616531263014603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 616531263014603 in words is "six hundred sixteen trillion, five hundred thirty-one billion, two hundred sixty-three million, fourteen thousand, six hundred three".