2141551499 has 2 divisors, whose sum is σ = 2141551500. Its totient is φ = 2141551498.

The previous prime is 2141551493. The next prime is 2141551537. The reversal of 2141551499 is 9941551412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141551499 - 2²⁸ = 1873116043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141551493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070775749 + 1070775750.

It is an arithmetic number, because the mean of its divisors is an integer number (1070775750).

Almost surely, 2^2141551499 is an apocalyptic number.

2141551499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141551499 is an equidigital number, since it uses as much as digits as its factorization.

2141551499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 41.

The square root of 2141551499 is about 46276.9002743269. The cubic root of 2141551499 is about 1288.9700929733.

The spelling of 2141551499 in words is "two billion, one hundred forty-one million, five hundred fifty-one thousand, four hundred ninety-nine".