39926630959 has 4 divisors (see below), whose sum is σ = 40375244880. Its totient is φ = 39478017040.

The previous prime is 39926630903. The next prime is 39926630969. The reversal of 39926630959 is 95903662993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95903662993 = 263 ⋅364652711.

It is a cyclic number.

It is not a de Polignac number, because 39926630959 - 2¹³ = 39926622767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39926630897 and 39926630906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39926630969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224306827 + ... + 224307004.

It is an arithmetic number, because the mean of its divisors is an integer number (10093811220).

Almost surely, 2^39926630959 is an apocalyptic number.

39926630959 is a deficient number, since it is larger than the sum of its proper divisors (448613921).

39926630959 is an equidigital number, since it uses as much as digits as its factorization.

39926630959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448613920.

The product of its (nonzero) digits is 21257640, while the sum is 61.

The spelling of 39926630959 in words is "thirty-nine billion, nine hundred twenty-six million, six hundred thirty thousand, nine hundred fifty-nine".