610645739847 has 24 divisors (see below), whose sum is σ = 963782476272. Its totient is φ = 341619991680.

The previous prime is 610645739813. The next prime is 610645739857. The reversal of 610645739847 is 748937546016.

It is not a de Polignac number, because 610645739847 - 2²⁸ = 610377304391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610645739857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64696038 + ... + 64705475.

It is an arithmetic number, because the mean of its divisors is an integer number (40157603178).

Almost surely, 2^610645739847 is an apocalyptic number.

610645739847 is a deficient number, since it is larger than the sum of its proper divisors (353136736425).

610645739847 is a wasteful number, since it uses less digits than its factorization.

610645739847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129401551 (or 129401540 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 610645739847 in words is "six hundred ten billion, six hundred forty-five million, seven hundred thirty-nine thousand, eight hundred forty-seven".