2141385391 has 2 divisors, whose sum is σ = 2141385392. Its totient is φ = 2141385390.

The previous prime is 2141385383. The next prime is 2141385401. The reversal of 2141385391 is 1935831412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141385391 - 2³ = 2141385383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2141385391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141385691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070692695 + 1070692696.

It is an arithmetic number, because the mean of its divisors is an integer number (1070692696).

Almost surely, 2^2141385391 is an apocalyptic number.

2141385391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141385391 is an equidigital number, since it uses as much as digits as its factorization.

2141385391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 2141385391 is about 46275.1055212195. The cubic root of 2141385391 is about 1288.9367660792.

The spelling of 2141385391 in words is "two billion, one hundred forty-one million, three hundred eighty-five thousand, three hundred ninety-one".