2151321702419 has 2 divisors, whose sum is σ = 2151321702420. Its totient is φ = 2151321702418.

The previous prime is 2151321702371. The next prime is 2151321702427. The reversal of 2151321702419 is 9142071231512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151321702419 - 2²⁸ = 2151053266963 is a prime.

It is a super-2 number, since 2×2151321702419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2151321702469) 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, 1075660851209 + 1075660851210.

It is an arithmetic number, because the mean of its divisors is an integer number (1075660851210).

Almost surely, 2^{2151321702419} is an apocalyptic number.

2151321702419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151321702419 is an equidigital number, since it uses as much as digits as its factorization.

2151321702419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 2151321702419 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-one million, seven hundred two thousand, four hundred nineteen".