2151350389 has 2 divisors, whose sum is σ = 2151350390. Its totient is φ = 2151350388.

The previous prime is 2151350363. The next prime is 2151350477. The reversal of 2151350389 is 9830531512.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1820728900 + 330621489 = 42670^2 + 18183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151350389 - 2⁷ = 2151350261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151350309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075675194 + 1075675195.

It is an arithmetic number, because the mean of its divisors is an integer number (1075675195).

Almost surely, 2^2151350389 is an apocalyptic number.

It is an amenable number.

2151350389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151350389 is an equidigital number, since it uses as much as digits as its factorization.

2151350389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 2151350389 is about 46382.6518107794. The cubic root of 2151350389 is about 1290.9330407030.

The spelling of 2151350389 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, three hundred eighty-nine".