2151019259 has 2 divisors, whose sum is σ = 2151019260. Its totient is φ = 2151019258.

The previous prime is 2151019219. The next prime is 2151019303. The reversal of 2151019259 is 9529101512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151019259 - 2²⁴ = 2134242043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2151019219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075509629 + 1075509630.

It is an arithmetic number, because the mean of its divisors is an integer number (1075509630).

Almost surely, 2^2151019259 is an apocalyptic number.

2151019259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151019259 is an equidigital number, since it uses as much as digits as its factorization.

2151019259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 2151019259 is about 46379.0821276144. The cubic root of 2151019259 is about 1290.8668050038.

The spelling of 2151019259 in words is "two billion, one hundred fifty-one million, nineteen thousand, two hundred fifty-nine".