38974953757 has 2 divisors, whose sum is σ = 38974953758. Its totient is φ = 38974953756.

The previous prime is 38974953751. The next prime is 38974953791. The reversal of 38974953757 is 75735947983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21174324196 + 17800629561 = 145514^2 + 133419^2 .

It is a cyclic number.

It is not a de Polignac number, because 38974953757 - 2⁷ = 38974953629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38974953692 and 38974953701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38974953751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19487476878 + 19487476879.

It is an arithmetic number, because the mean of its divisors is an integer number (19487476879).

Almost surely, 2^38974953757 is an apocalyptic number.

It is an amenable number.

38974953757 is a deficient number, since it is larger than the sum of its proper divisors (1).

38974953757 is an equidigital number, since it uses as much as digits as its factorization.

38974953757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200037600, while the sum is 67.

The spelling of 38974953757 in words is "thirty-eight billion, nine hundred seventy-four million, nine hundred fifty-three thousand, seven hundred fifty-seven".