2481969311 has 4 divisors (see below), whose sum is σ = 2490802224. Its totient is φ = 2473136400.

The previous prime is 2481969293. The next prime is 2481969319. The reversal of 2481969311 is 1139691842.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2481969311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481969319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416035 + ... + 4416596.

It is an arithmetic number, because the mean of its divisors is an integer number (622700556).

Almost surely, 2^2481969311 is an apocalyptic number.

2481969311 is a deficient number, since it is larger than the sum of its proper divisors (8832913).

2481969311 is an equidigital number, since it uses as much as digits as its factorization.

2481969311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8832912.

The product of its digits is 93312, while the sum is 44.

The square root of 2481969311 is about 49819.3668265666. The cubic root of 2481969311 is about 1353.9380778555.

The spelling of 2481969311 in words is "two billion, four hundred eighty-one million, nine hundred sixty-nine thousand, three hundred eleven".