38382774907 has 2 divisors, whose sum is σ = 38382774908. Its totient is φ = 38382774906.

The previous prime is 38382774889. The next prime is 38382774943. The reversal of 38382774907 is 70947728383.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38382774907 - 2³¹ = 36235291259 is a prime.

It is a super-2 number, since 2×38382774907² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38382774977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19191387453 + 19191387454.

It is an arithmetic number, because the mean of its divisors is an integer number (19191387454).

Almost surely, 2^38382774907 is an apocalyptic number.

38382774907 is a deficient number, since it is larger than the sum of its proper divisors (1).

38382774907 is an equidigital number, since it uses as much as digits as its factorization.

38382774907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 58.

The spelling of 38382774907 in words is "thirty-eight billion, three hundred eighty-two million, seven hundred seventy-four thousand, nine hundred seven".