42774876601 has 2 divisors, whose sum is σ = 42774876602. Its totient is φ = 42774876600.

The previous prime is 42774876563. The next prime is 42774876619. The reversal of 42774876601 is 10667847724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32346382201 + 10428494400 = 179851^2 + 102120^2 .

It is a cyclic number.

It is not a de Polignac number, because 42774876601 - 2¹⁷ = 42774745529 is a prime.

It is not a weakly prime, because it can be changed into another prime (42774876691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387438300 + 21387438301.

It is an arithmetic number, because the mean of its divisors is an integer number (21387438301).

Almost surely, 2^42774876601 is an apocalyptic number.

It is an amenable number.

42774876601 is a deficient number, since it is larger than the sum of its proper divisors (1).

42774876601 is an equidigital number, since it uses as much as digits as its factorization.

42774876601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3161088, while the sum is 52.

The spelling of 42774876601 in words is "forty-two billion, seven hundred seventy-four million, eight hundred seventy-six thousand, six hundred one".