456421040124653 has 16 divisors (see below), whose sum is σ = 475795312899840. Its totient is φ = 437480217335616.

The previous prime is 456421040124649. The next prime is 456421040124701. The reversal of 456421040124653 is 356421040124654.

It is a cyclic number.

It is not a de Polignac number, because 456421040124653 - 2² = 456421040124649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456421040124598 and 456421040124607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456421040124053) 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, 166121918 + ... + 168847071.

It is an arithmetic number, because the mean of its divisors is an integer number (29737207056240).

Almost surely, 2^{456421040124653} is an apocalyptic number.

It is an amenable number.

456421040124653 is a deficient number, since it is larger than the sum of its proper divisors (19374272775187).

456421040124653 is a wasteful number, since it uses less digits than its factorization.

456421040124653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334969636.

The product of its (nonzero) digits is 2764800, while the sum is 47.

Subtracting from 456421040124653 its reverse (356421040124654), we obtain a palindrome (99999999999999).

The spelling of 456421040124653 in words is "four hundred fifty-six trillion, four hundred twenty-one billion, forty million, one hundred twenty-four thousand, six hundred fifty-three".