39927348739 has 2 divisors, whose sum is σ = 39927348740. Its totient is φ = 39927348738.

The previous prime is 39927348701. The next prime is 39927348743. The reversal of 39927348739 is 93784372993.

It is a strong prime.

It is an emirp because it is prime and its reverse (93784372993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39927348739 - 2¹¹ = 39927346691 is a prime.

It is not a weakly prime, because it can be changed into another prime (39927348779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19963674369 + 19963674370.

It is an arithmetic number, because the mean of its divisors is an integer number (19963674370).

Almost surely, 2^39927348739 is an apocalyptic number.

39927348739 is a deficient number, since it is larger than the sum of its proper divisors (1).

39927348739 is an equidigital number, since it uses as much as digits as its factorization.

39927348739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 64.

The spelling of 39927348739 in words is "thirty-nine billion, nine hundred twenty-seven million, three hundred forty-eight thousand, seven hundred thirty-nine".