38426843005601 has 2 divisors, whose sum is σ = 38426843005602. Its totient is φ = 38426843005600.

The previous prime is 38426843005589. The next prime is 38426843005633. The reversal of 38426843005601 is 10650034862483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31458087780001 + 6968755225600 = 5608751^2 + 2639840^2 .

It is a cyclic number.

It is not a de Polignac number, because 38426843005601 - 2²² = 38426838811297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38426843005601.

It is not a weakly prime, because it can be changed into another prime (38426843005301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19213421502800 + 19213421502801.

It is an arithmetic number, because the mean of its divisors is an integer number (19213421502801).

Almost surely, 2^{38426843005601} is an apocalyptic number.

It is an amenable number.

38426843005601 is a deficient number, since it is larger than the sum of its proper divisors (1).

38426843005601 is an equidigital number, since it uses as much as digits as its factorization.

38426843005601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 38426843005601 in words is "thirty-eight trillion, four hundred twenty-six billion, eight hundred forty-three million, five thousand, six hundred one".