609945115994 has 16 divisors (see below), whose sum is σ = 963331958400. Its totient is φ = 288843153984.

The previous prime is 609945115981. The next prime is 609945116009. The reversal of 609945115994 is 499511549906.

It is a super-2 number, since 2×609945115994² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030354 + ... + 2311325.

It is an arithmetic number, because the mean of its divisors is an integer number (60208247400).

Almost surely, 2^609945115994 is an apocalyptic number.

609945115994 is a deficient number, since it is larger than the sum of its proper divisors (353386842406).

609945115994 is a wasteful number, since it uses less digits than its factorization.

609945115994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345397.

The product of its (nonzero) digits is 15746400, while the sum is 62.

The spelling of 609945115994 in words is "six hundred nine billion, nine hundred forty-five million, one hundred fifteen thousand, nine hundred ninety-four".