2150143997 has 2 divisors, whose sum is σ = 2150143998. Its totient is φ = 2150143996.

The previous prime is 2150143991. The next prime is 2150144039. The reversal of 2150143997 is 7993410512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382798596 + 767345401 = 37186^2 + 27701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150143997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2150143991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075071998 + 1075071999.

It is an arithmetic number, because the mean of its divisors is an integer number (1075071999).

Almost surely, 2^2150143997 is an apocalyptic number.

It is an amenable number.

2150143997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150143997 is an equidigital number, since it uses as much as digits as its factorization.

2150143997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 2150143997 is about 46369.6452110645. The cubic root of 2150143997 is about 1290.6916942297.

The spelling of 2150143997 in words is "two billion, one hundred fifty million, one hundred forty-three thousand, nine hundred ninety-seven".