42662466561553 has 4 divisors (see below), whose sum is σ = 42690332315248. Its totient is φ = 42634600807860.

The previous prime is 42662466561479. The next prime is 42662466561587. The reversal of 42662466561553 is 35516566426624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42662466561553 - 2²⁵ = 42662433007121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42662466561491 and 42662466561500.

It is not an unprimeable number, because it can be changed into a prime (42662466561593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13932874551 + ... + 13932877612.

It is an arithmetic number, because the mean of its divisors is an integer number (10672583078812).

Almost surely, 2^{42662466561553} is an apocalyptic number.

It is an amenable number.

42662466561553 is a deficient number, since it is larger than the sum of its proper divisors (27865753695).

42662466561553 is a wasteful number, since it uses less digits than its factorization.

42662466561553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27865753694.

The product of its digits is 186624000, while the sum is 61.

The spelling of 42662466561553 in words is "forty-two trillion, six hundred sixty-two billion, four hundred sixty-six million, five hundred sixty-one thousand, five hundred fifty-three".