646324061032994 has 8 divisors (see below), whose sum is σ = 969486474279708. Its totient is φ = 323161902939760.

The previous prime is 646324061032981. The next prime is 646324061033003. The reversal of 646324061032994 is 499230160423646.

It can be written as a sum of positive squares in 2 ways, for example, as 639536707417969 + 6787353615025 = 25289063^2 + 2605255^2 .

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

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, 57324677 + ... + 67666584.

Almost surely, 2^{646324061032994} is an apocalyptic number.

646324061032994 is a deficient number, since it is larger than the sum of its proper divisors (323162413246714).

646324061032994 is a wasteful number, since it uses less digits than its factorization.

646324061032994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127576740.

The product of its (nonzero) digits is 40310784, while the sum is 59.

The spelling of 646324061032994 in words is "six hundred forty-six trillion, three hundred twenty-four billion, sixty-one million, thirty-two thousand, nine hundred ninety-four".