612985409702 has 8 divisors (see below), whose sum is σ = 919953794496. Its totient is φ = 306334144872.

The previous prime is 612985409693. The next prime is 612985409713. The reversal of 612985409702 is 207904589216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×612985409702² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79275158 + ... + 79282889.

It is an arithmetic number, because the mean of its divisors is an integer number (114994224312).

Almost surely, 2^612985409702 is an apocalyptic number.

612985409702 is a deficient number, since it is larger than the sum of its proper divisors (306968384794).

612985409702 is a wasteful number, since it uses less digits than its factorization.

612985409702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158559982.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 612985409702 in words is "six hundred twelve billion, nine hundred eighty-five million, four hundred nine thousand, seven hundred two".