42650640442453 has 32 divisors (see below), whose sum is σ = 45036349489152. Its totient is φ = 40310619148800.

The previous prime is 42650640442441. The next prime is 42650640442493. The reversal of 42650640442453 is 35424404605624.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42650640442453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42650640442397 and 42650640442406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42650640442493) 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, 4428469948 + ... + 4428479578.

It is an arithmetic number, because the mean of its divisors is an integer number (1407385921536).

Almost surely, 2^{42650640442453} is an apocalyptic number.

It is an amenable number.

42650640442453 is a deficient number, since it is larger than the sum of its proper divisors (2385709046699).

42650640442453 is a wasteful number, since it uses less digits than its factorization.

42650640442453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745.

The product of its (nonzero) digits is 11059200, while the sum is 49.

The spelling of 42650640442453 in words is "forty-two trillion, six hundred fifty billion, six hundred forty million, four hundred forty-two thousand, four hundred fifty-three".