2150729707 has 16 divisors (see below), whose sum is σ = 2523225600. Its totient is φ = 1832394984.

The previous prime is 2150729699. The next prime is 2150729717. The reversal of 2150729707 is 7079270512.

It is a happy number.

It is not a de Polignac number, because 2150729707 - 2³ = 2150729699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2150729707.

It is not an unprimeable number, because it can be changed into a prime (2150729717) 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, 38508 + ... + 76054.

It is an arithmetic number, because the mean of its divisors is an integer number (157701600).

Almost surely, 2^2150729707 is an apocalyptic number.

2150729707 is a deficient number, since it is larger than the sum of its proper divisors (372495893).

2150729707 is an equidigital number, since it uses as much as digits as its factorization.

2150729707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37735 (or 37721 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 2150729707 is about 46375.9604428846. The cubic root of 2150729707 is about 1290.8088805515.

The spelling of 2150729707 in words is "two billion, one hundred fifty million, seven hundred twenty-nine thousand, seven hundred seven".