42167752651 has 2 divisors, whose sum is σ = 42167752652. Its totient is φ = 42167752650.

The previous prime is 42167752643. The next prime is 42167752699. The reversal of 42167752651 is 15625776124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42167752651 - 2³ = 42167752643 is a prime.

It is not a weakly prime, because it can be changed into another prime (42167752621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21083876325 + 21083876326.

It is an arithmetic number, because the mean of its divisors is an integer number (21083876326).

Almost surely, 2^42167752651 is an apocalyptic number.

42167752651 is a deficient number, since it is larger than the sum of its proper divisors (1).

42167752651 is an equidigital number, since it uses as much as digits as its factorization.

42167752651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The spelling of 42167752651 in words is "forty-two billion, one hundred sixty-seven million, seven hundred fifty-two thousand, six hundred fifty-one".