2131927463 has 4 divisors (see below), whose sum is σ = 2132989608. Its totient is φ = 2130865320.

The previous prime is 2131927439. The next prime is 2131927481. The reversal of 2131927463 is 3647291312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2131927463 - 2²⁶ = 2064818599 is a prime.

It is a super-2 number, since 2×2131927463² = 9090229414987232738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131927163) 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 in 3 ways as a sum of consecutive naturals, for example, 528056 + ... + 532077.

It is an arithmetic number, because the mean of its divisors is an integer number (533247402).

Almost surely, 2^2131927463 is an apocalyptic number.

2131927463 is a deficient number, since it is larger than the sum of its proper divisors (1062145).

2131927463 is a wasteful number, since it uses less digits than its factorization.

2131927463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062144.

The product of its digits is 54432, while the sum is 38.

The square root of 2131927463 is about 46172.8000342193. The cubic root of 2131927463 is about 1287.0363354829.

The spelling of 2131927463 in words is "two billion, one hundred thirty-one million, nine hundred twenty-seven thousand, four hundred sixty-three".