38047986662401 has 2 divisors, whose sum is σ = 38047986662402. Its totient is φ = 38047986662400.

The previous prime is 38047986662393. The next prime is 38047986662419. The reversal of 38047986662401 is 10426668974083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38035293260176 + 12693402225 = 6167276^2 + 112665^2 .

It is a cyclic number.

It is not a de Polignac number, because 38047986662401 - 2³ = 38047986662393 is a prime.

It is not a weakly prime, because it can be changed into another prime (38047986662431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19023993331200 + 19023993331201.

It is an arithmetic number, because the mean of its divisors is an integer number (19023993331201).

Almost surely, 2^{38047986662401} is an apocalyptic number.

It is an amenable number.

38047986662401 is a deficient number, since it is larger than the sum of its proper divisors (1).

38047986662401 is an equidigital number, since it uses as much as digits as its factorization.

38047986662401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 38047986662401 in words is "thirty-eight trillion, forty-seven billion, nine hundred eighty-six million, six hundred sixty-two thousand, four hundred one".