39900379901 has 8 divisors (see below), whose sum is σ = 41280926880. Its totient is φ = 38520144432.

The previous prime is 39900379889. The next prime is 39900379919. The reversal of 39900379901 is 10997300993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39900379901 - 2¹⁰ = 39900378877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39900379901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39900379951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199526 + ... + 345848.

It is an arithmetic number, because the mean of its divisors is an integer number (5160115860).

Almost surely, 2^39900379901 is an apocalyptic number.

It is an amenable number.

39900379901 is a deficient number, since it is larger than the sum of its proper divisors (1380546979).

39900379901 is a wasteful number, since it uses less digits than its factorization.

39900379901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155755.

The product of its (nonzero) digits is 413343, while the sum is 50.

The spelling of 39900379901 in words is "thirty-nine billion, nine hundred million, three hundred seventy-nine thousand, nine hundred one".