42272930695157 has 2 divisors, whose sum is σ = 42272930695158. Its totient is φ = 42272930695156.

The previous prime is 42272930695153. The next prime is 42272930695211. The reversal of 42272930695157 is 75159603927224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39542855232721 + 2730075462436 = 6288311^2 + 1652294^2 .

It is a cyclic number.

It is not a de Polignac number, because 42272930695157 - 2² = 42272930695153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42272930695157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42272930695153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21136465347578 + 21136465347579.

It is an arithmetic number, because the mean of its divisors is an integer number (21136465347579).

Almost surely, 2^{42272930695157} is an apocalyptic number.

It is an amenable number.

42272930695157 is a deficient number, since it is larger than the sum of its proper divisors (1).

42272930695157 is an equidigital number, since it uses as much as digits as its factorization.

42272930695157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 42272930695157 in words is "forty-two trillion, two hundred seventy-two billion, nine hundred thirty million, six hundred ninety-five thousand, one hundred fifty-seven".