42752427273757 has 2 divisors, whose sum is σ = 42752427273758. Its totient is φ = 42752427273756.

The previous prime is 42752427273709. The next prime is 42752427273793. The reversal of 42752427273757 is 75737272425724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39456626665401 + 3295800608356 = 6281451^2 + 1815434^2 .

It is a cyclic number.

It is not a de Polignac number, because 42752427273757 - 2³¹ = 42750279790109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42752427273557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21376213636878 + 21376213636879.

It is an arithmetic number, because the mean of its divisors is an integer number (21376213636879).

Almost surely, 2^{42752427273757} is an apocalyptic number.

It is an amenable number.

42752427273757 is a deficient number, since it is larger than the sum of its proper divisors (1).

42752427273757 is an equidigital number, since it uses as much as digits as its factorization.

42752427273757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322694400, while the sum is 64.

The spelling of 42752427273757 in words is "forty-two trillion, seven hundred fifty-two billion, four hundred twenty-seven million, two hundred seventy-three thousand, seven hundred fifty-seven".