405434455653 has 16 divisors (see below), whose sum is σ = 558521300480. Its totient is φ = 261440679024.

The previous prime is 405434455633. The next prime is 405434455663. The reversal of 405434455653 is 356554434504.

It is not a de Polignac number, because 405434455653 - 2¹⁰ = 405434454629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405434455603) 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, 15243523 + ... + 15270096.

It is an arithmetic number, because the mean of its divisors is an integer number (34907581280).

Almost surely, 2^405434455653 is an apocalyptic number.

405434455653 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

405434455653 is a deficient number, since it is larger than the sum of its proper divisors (153086844827).

405434455653 is a wasteful number, since it uses less digits than its factorization.

405434455653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30513768.

The product of its (nonzero) digits is 8640000, while the sum is 48.

The spelling of 405434455653 in words is "four hundred five billion, four hundred thirty-four million, four hundred fifty-five thousand, six hundred fifty-three".