39490007699 has 4 divisors (see below), whose sum is σ = 39873405936. Its totient is φ = 39106609464.

The previous prime is 39490007677. The next prime is 39490007701. The reversal of 39490007699 is 99670009493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99670009493 = 313031 ⋅318403.

It is a cyclic number.

It is not a de Polignac number, because 39490007699 - 2²⁴ = 39473230483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39490007299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191698964 + ... + 191699169.

It is an arithmetic number, because the mean of its divisors is an integer number (9968351484).

Almost surely, 2^39490007699 is an apocalyptic number.

39490007699 is a deficient number, since it is larger than the sum of its proper divisors (383398237).

39490007699 is a wasteful number, since it uses less digits than its factorization.

39490007699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383398236.

The product of its (nonzero) digits is 3306744, while the sum is 56.

The spelling of 39490007699 in words is "thirty-nine billion, four hundred ninety million, seven thousand, six hundred ninety-nine".