42775251363 has 24 divisors (see below), whose sum is σ = 69003702768. Its totient is φ = 26323229664.

The previous prime is 42775251317. The next prime is 42775251383. The reversal of 42775251363 is 36315257724.

42775251363 is a `hidden beast` number, since 4 + 2 + 7 + 75 + 2 + 513 + 63 = 666.

It is not a de Polignac number, because 42775251363 - 2¹² = 42775247267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42775251383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6767220 + ... + 6773537.

It is an arithmetic number, because the mean of its divisors is an integer number (2875154282).

Almost surely, 2^42775251363 is an apocalyptic number.

42775251363 is a deficient number, since it is larger than the sum of its proper divisors (26228451405).

42775251363 is a wasteful number, since it uses less digits than its factorization.

42775251363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540785 (or 13540773 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The spelling of 42775251363 in words is "forty-two billion, seven hundred seventy-five million, two hundred fifty-one thousand, three hundred sixty-three".