994673734631 has 16 divisors (see below), whose sum is σ = 1042723089408. Its totient is φ = 947761214400.

The previous prime is 994673734627. The next prime is 994673734651. The reversal of 994673734631 is 136437376499.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 994673734631 - 2² = 994673734627 is a prime.

It is a super-2 number, since 2×994673734631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994673734601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29825636 + ... + 29858966.

It is an arithmetic number, because the mean of its divisors is an integer number (65170193088).

Almost surely, 2^994673734631 is an apocalyptic number.

994673734631 is a deficient number, since it is larger than the sum of its proper divisors (48049354777).

994673734631 is a wasteful number, since it uses less digits than its factorization.

994673734631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50342.

The product of its digits is 61725888, while the sum is 62.

The spelling of 994673734631 in words is "nine hundred ninety-four billion, six hundred seventy-three million, seven hundred thirty-four thousand, six hundred thirty-one".