2137900947 has 16 divisors (see below), whose sum is σ = 3508350720. Its totient is φ = 1127683872.

The previous prime is 2137900873. The next prime is 2137900949. The reversal of 2137900947 is 7490097312.

It is not a de Polignac number, because 2137900947 - 2⁷ = 2137900819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2137900899 and 2137900908.

It is not an unprimeable number, because it can be changed into a prime (2137900949) 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, 3915297 + ... + 3915842.

It is an arithmetic number, because the mean of its divisors is an integer number (219271920).

Almost surely, 2^2137900947 is an apocalyptic number.

2137900947 is a deficient number, since it is larger than the sum of its proper divisors (1370449773).

2137900947 is a wasteful number, since it uses less digits than its factorization.

2137900947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831162.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 2137900947 is about 46237.4409650880. The cubic root of 2137900947 is about 1288.2372709091.

The spelling of 2137900947 in words is "two billion, one hundred thirty-seven million, nine hundred thousand, nine hundred forty-seven".