39340420963 has 4 divisors (see below), whose sum is σ = 39350688408. Its totient is φ = 39330153520.

The previous prime is 39340420897. The next prime is 39340420969. The reversal of 39340420963 is 36902404393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39340420963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39340420969) 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, 5127973 + ... + 5135638.

It is an arithmetic number, because the mean of its divisors is an integer number (9837672102).

Almost surely, 2^39340420963 is an apocalyptic number.

39340420963 is a deficient number, since it is larger than the sum of its proper divisors (10267445).

39340420963 is a wasteful number, since it uses less digits than its factorization.

39340420963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267444.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 39340420963 in words is "thirty-nine billion, three hundred forty million, four hundred twenty thousand, nine hundred sixty-three".