42167752647 has 16 divisors (see below), whose sum is σ = 56731850880. Its totient is φ = 27858740832.

The previous prime is 42167752643. The next prime is 42167752651. The reversal of 42167752647 is 74625776124.

It is an interprime number because it is at equal distance from previous prime (42167752643) and next prime (42167752651).

It is not a de Polignac number, because 42167752647 - 2² = 42167752643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42167752647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42167752643) 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, 45429 + ... + 293937.

It is an arithmetic number, because the mean of its divisors is an integer number (3545740680).

Almost surely, 2^42167752647 is an apocalyptic number.

42167752647 is a deficient number, since it is larger than the sum of its proper divisors (14564098233).

42167752647 is a wasteful number, since it uses less digits than its factorization.

42167752647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249022.

The product of its digits is 3951360, while the sum is 51.

The spelling of 42167752647 in words is "forty-two billion, one hundred sixty-seven million, seven hundred fifty-two thousand, six hundred forty-seven".