2127623491 has 12 divisors (see below), whose sum is σ = 2583019408. Its totient is φ = 1716400512.

The previous prime is 2127623473. The next prime is 2127623503. The reversal of 2127623491 is 1943267212.

It is not a de Polignac number, because 2127623491 - 2¹⁵ = 2127590723 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2127623491.

It is not an unprimeable number, because it can be changed into a prime (2127623461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523836 + ... + 527881.

Almost surely, 2^2127623491 is an apocalyptic number.

2127623491 is a deficient number, since it is larger than the sum of its proper divisors (455395917).

2127623491 is a wasteful number, since it uses less digits than its factorization.

2127623491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051758 (or 1051741 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 2127623491 is about 46126.1692643124. The cubic root of 2127623491 is about 1286.1696549335.

The spelling of 2127623491 in words is "two billion, one hundred twenty-seven million, six hundred twenty-three thousand, four hundred ninety-one".