2123791495 has 16 divisors (see below), whose sum is σ = 2938409280. Its totient is φ = 1443423744.

The previous prime is 2123791489. The next prime is 2123791507. The reversal of 2123791495 is 5941973212.

It is not a de Polignac number, because 2123791495 - 2⁵ = 2123791463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264540 + ... + 272449.

It is an arithmetic number, because the mean of its divisors is an integer number (183650580).

Almost surely, 2^2123791495 is an apocalyptic number.

2123791495 is a deficient number, since it is larger than the sum of its proper divisors (814617785).

2123791495 is a wasteful number, since it uses less digits than its factorization.

2123791495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537114.

The product of its digits is 136080, while the sum is 43.

The square root of 2123791495 is about 46084.6123451201. The cubic root of 2123791495 is about 1285.3970309437.

The spelling of 2123791495 in words is "two billion, one hundred twenty-three million, seven hundred ninety-one thousand, four hundred ninety-five".