38620805037761 has 2 divisors, whose sum is σ = 38620805037762. Its totient is φ = 38620805037760.

The previous prime is 38620805037719. The next prime is 38620805037797. The reversal of 38620805037761 is 16773050802683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34248607677361 + 4372197360400 = 5852231^2 + 2090980^2 .

It is a cyclic number.

It is not a de Polignac number, because 38620805037761 - 2⁴² = 34222758526657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38620805037697 and 38620805037706.

It is not a weakly prime, because it can be changed into another prime (38620805031761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19310402518880 + 19310402518881.

It is an arithmetic number, because the mean of its divisors is an integer number (19310402518881).

Almost surely, 2^{38620805037761} is an apocalyptic number.

It is an amenable number.

38620805037761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38620805037761 is an equidigital number, since it uses as much as digits as its factorization.

38620805037761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 38620805037761 in words is "thirty-eight trillion, six hundred twenty billion, eight hundred five million, thirty-seven thousand, seven hundred sixty-one".