38141917997 has 2 divisors, whose sum is σ = 38141917998. Its totient is φ = 38141917996.

The previous prime is 38141917987. The next prime is 38141918051. The reversal of 38141917997 is 79971914183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33990821956 + 4151096041 = 184366^2 + 64429^2 .

It is a cyclic number.

It is not a de Polignac number, because 38141917997 - 2⁸ = 38141917741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38141917987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19070958998 + 19070958999.

It is an arithmetic number, because the mean of its divisors is an integer number (19070958999).

Almost surely, 2^38141917997 is an apocalyptic number.

It is an amenable number.

38141917997 is a deficient number, since it is larger than the sum of its proper divisors (1).

38141917997 is an equidigital number, since it uses as much as digits as its factorization.

38141917997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 59.

The spelling of 38141917997 in words is "thirty-eight billion, one hundred forty-one million, nine hundred seventeen thousand, nine hundred ninety-seven".