422863640429 has 4 divisors (see below), whose sum is σ = 422875277760. Its totient is φ = 422852003100.

The previous prime is 422863640401. The next prime is 422863640471. The reversal of 422863640429 is 924046368224.

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 a de Polignac number, because none of the positive numbers 2^k-422863640429 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 (422863640029) 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, 5763989 + ... + 5836890.

It is an arithmetic number, because the mean of its divisors is an integer number (105718819440).

Almost surely, 2^422863640429 is an apocalyptic number.

It is an amenable number.

422863640429 is a deficient number, since it is larger than the sum of its proper divisors (11637331).

422863640429 is a wasteful number, since it uses less digits than its factorization.

422863640429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11637330.

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 422863640429 in words is "four hundred twenty-two billion, eight hundred sixty-three million, six hundred forty thousand, four hundred twenty-nine".