39340023907 has 2 divisors, whose sum is σ = 39340023908. Its totient is φ = 39340023906.

The previous prime is 39340023859. The next prime is 39340023917. The reversal of 39340023907 is 70932004393.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39340023907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39340023907.

It is not a weakly prime, because it can be changed into another prime (39340023917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19670011953 + 19670011954.

It is an arithmetic number, because the mean of its divisors is an integer number (19670011954).

Almost surely, 2^39340023907 is an apocalyptic number.

39340023907 is a deficient number, since it is larger than the sum of its proper divisors (1).

39340023907 is an equidigital number, since it uses as much as digits as its factorization.

39340023907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 40.

The spelling of 39340023907 in words is "thirty-nine billion, three hundred forty million, twenty-three thousand, nine hundred seven".