454721656753 has 32 divisors (see below), whose sum is σ = 570404975616. Its totient is φ = 352875115008.

The previous prime is 454721656751. The next prime is 454721656777. The reversal of 454721656753 is 357656127454.

It is a happy number.

It is not a de Polignac number, because 454721656753 - 2¹ = 454721656751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 454721656694 and 454721656703.

It is not an unprimeable number, because it can be changed into a prime (454721656751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16418125 + ... + 16445797.

It is an arithmetic number, because the mean of its divisors is an integer number (17825155488).

Almost surely, 2^454721656753 is an apocalyptic number.

It is an amenable number.

454721656753 is a deficient number, since it is larger than the sum of its proper divisors (115683318863).

454721656753 is a wasteful number, since it uses less digits than its factorization.

454721656753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31153.

The product of its digits is 21168000, while the sum is 55.

The spelling of 454721656753 in words is "four hundred fifty-four billion, seven hundred twenty-one million, six hundred fifty-six thousand, seven hundred fifty-three".