1246493972968 has 16 divisors (see below), whose sum is σ = 2417768482500. Its totient is φ = 601755710976.

The previous prime is 1246493972963. The next prime is 1246493972987. The reversal of 1246493972968 is 8692793946421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1231260982884 + 15232990084 = 1109622^2 + 123422^2 .

It is a super-2 number, since 2×1246493972968² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1246493972897 and 1246493972906.

It is not an unprimeable number, because it can be changed into a prime (1246493972963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686409193 + ... + 2686409656.

Almost surely, 2^{1246493972968} is an apocalyptic number.

It is an amenable number.

1246493972968 is a deficient number, since it is larger than the sum of its proper divisors (1171274509532).

1246493972968 is a wasteful number, since it uses less digits than its factorization.

1246493972968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372818884 (or 5372818880 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 70.

The spelling of 1246493972968 in words is "one trillion, two hundred forty-six billion, four hundred ninety-three million, nine hundred seventy-two thousand, nine hundred sixty-eight".