38946259019 has 2 divisors, whose sum is σ = 38946259020. Its totient is φ = 38946259018.

The previous prime is 38946258991. The next prime is 38946259057. The reversal of 38946259019 is 91095264983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38946259019 - 2¹² = 38946254923 is a prime.

It is a super-2 number, since 2×38946259019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38946249019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19473129509 + 19473129510.

It is an arithmetic number, because the mean of its divisors is an integer number (19473129510).

Almost surely, 2^38946259019 is an apocalyptic number.

38946259019 is a deficient number, since it is larger than the sum of its proper divisors (1).

38946259019 is an equidigital number, since it uses as much as digits as its factorization.

38946259019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 38946259019 in words is "thirty-eight billion, nine hundred forty-six million, two hundred fifty-nine thousand, nineteen".