39899021201 has 16 divisors (see below), whose sum is σ = 43727922000. Its totient is φ = 36183932928.

The previous prime is 39899021191. The next prime is 39899021203. The reversal of 39899021201 is 10212099893.

It is a happy number.

39899021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 655411201 + 39243610000 = 25601^2 + 198100^2 .

It is a de Polignac number, because none of the positive numbers 2^k-39899021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39899021203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71825 + ... + 291473.

It is an arithmetic number, because the mean of its divisors is an integer number (2732995125).

Almost surely, 2^39899021201 is an apocalyptic number.

It is an amenable number.

39899021201 is a deficient number, since it is larger than the sum of its proper divisors (3828900799).

39899021201 is a wasteful number, since it uses less digits than its factorization.

39899021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219908.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 39899021201 in words is "thirty-nine billion, eight hundred ninety-nine million, twenty-one thousand, two hundred one".