1246462646421 has 16 divisors (see below), whose sum is σ = 1723767464448. Its totient is φ = 800511192000.

The previous prime is 1246462646383. The next prime is 1246462646441.

1246462646421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1246462646421 - 2²² = 1246458452117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246462646441) 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, 55579845 + ... + 55602266.

It is an arithmetic number, because the mean of its divisors is an integer number (107735466528).

Almost surely, 2^{1246462646421} is an apocalyptic number.

It is an amenable number.

1246462646421 is a deficient number, since it is larger than the sum of its proper divisors (477304818027).

1246462646421 is a wasteful number, since it uses less digits than its factorization.

1246462646421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111182252.

The product of its digits is 2654208, while the sum is 48.

The spelling of 1246462646421 in words is "one trillion, two hundred forty-six billion, four hundred sixty-two million, six hundred forty-six thousand, four hundred twenty-one".