2150143691 has 2 divisors, whose sum is σ = 2150143692. Its totient is φ = 2150143690.

The previous prime is 2150143687. The next prime is 2150143693. The reversal of 2150143691 is 1963410512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2150143691 - 2² = 2150143687 is a prime.

Together with 2150143693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2150143693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075071845 + 1075071846.

It is an arithmetic number, because the mean of its divisors is an integer number (1075071846).

Almost surely, 2^2150143691 is an apocalyptic number.

2150143691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150143691 is an equidigital number, since it uses as much as digits as its factorization.

2150143691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 2150143691 is about 46369.6419114920. The cubic root of 2150143691 is about 1290.6916330009.

The spelling of 2150143691 in words is "two billion, one hundred fifty million, one hundred forty-three thousand, six hundred ninety-one".