2139906063 has 16 divisors (see below), whose sum is σ = 2939225216. Its totient is φ = 1383829920.

The previous prime is 2139906053. The next prime is 2139906077. The reversal of 2139906063 is 3606099312.

It is not a de Polignac number, because 2139906063 - 2²⁹ = 1603035151 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139906053) 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, 7620 + ... + 65862.

It is an arithmetic number, because the mean of its divisors is an integer number (183701576).

Almost surely, 2^2139906063 is an apocalyptic number.

2139906063 is a deficient number, since it is larger than the sum of its proper divisors (799319153).

2139906063 is a wasteful number, since it uses less digits than its factorization.

2139906063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58614.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 2139906063 is about 46259.1187010734. The cubic root of 2139906063 is about 1288.6398866998.

The spelling of 2139906063 in words is "two billion, one hundred thirty-nine million, nine hundred six thousand, sixty-three".