1246395045976 has 8 divisors (see below), whose sum is σ = 2336990711220. Its totient is φ = 623197522984.

The previous prime is 1246395045953. The next prime is 1246395045979. The reversal of 1246395045976 is 6795405936421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1246395045976² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246395045979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77899690366 + ... + 77899690381.

Almost surely, 2^{1246395045976} is an apocalyptic number.

It is an amenable number.

1246395045976 is a deficient number, since it is larger than the sum of its proper divisors (1090595665244).

1246395045976 is a wasteful number, since it uses less digits than its factorization.

1246395045976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155799380753 (or 155799380749 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 1246395045976 in words is "one trillion, two hundred forty-six billion, three hundred ninety-five million, forty-five thousand, nine hundred seventy-six".