2151424291 has 2 divisors, whose sum is σ = 2151424292. Its totient is φ = 2151424290.

The previous prime is 2151424277. The next prime is 2151424351. The reversal of 2151424291 is 1924241512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151424291 - 2⁵ = 2151424259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151424241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075712145 + 1075712146.

It is an arithmetic number, because the mean of its divisors is an integer number (1075712146).

Almost surely, 2^2151424291 is an apocalyptic number.

2151424291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151424291 is an equidigital number, since it uses as much as digits as its factorization.

2151424291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 2151424291 is about 46383.4484595529. The cubic root of 2151424291 is about 1290.9478223399.

The spelling of 2151424291 in words is "two billion, one hundred fifty-one million, four hundred twenty-four thousand, two hundred ninety-one".