2129694712 has 16 divisors (see below), whose sum is σ = 4086042840. Its totient is φ = 1040083296.

The previous prime is 2129694653. The next prime is 2129694751. The reversal of 2129694712 is 2174969212.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3095143 + ... + 3095830.

Almost surely, 2^2129694712 is an apocalyptic number.

It is an amenable number.

2129694712 is a deficient number, since it is larger than the sum of its proper divisors (1956348128).

2129694712 is a wasteful number, since it uses less digits than its factorization.

2129694712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191022 (or 6191018 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 2129694712 is about 46148.6154938585. The cubic root of 2129694712 is about 1286.5868775039.

The spelling of 2129694712 in words is "two billion, one hundred twenty-nine million, six hundred ninety-four thousand, seven hundred twelve".