940745967631 has 8 divisors (see below), whose sum is σ = 956826804240. Its totient is φ = 924669664128.

The previous prime is 940745967517. The next prime is 940745967677. The reversal of 940745967631 is 136769547049.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940745967631 is a prime.

It is a super-2 number, since 2×940745967631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 940745967631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940745937631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713356 + ... + 1546081.

It is an arithmetic number, because the mean of its divisors is an integer number (119603350530).

Almost surely, 2^940745967631 is an apocalyptic number.

940745967631 is a deficient number, since it is larger than the sum of its proper divisors (16080836609).

940745967631 is a wasteful number, since it uses less digits than its factorization.

940745967631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266553.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 940745967631 in words is "nine hundred forty billion, seven hundred forty-five million, nine hundred sixty-seven thousand, six hundred thirty-one".