2481971785 has 16 divisors (see below), whose sum is σ = 3026295936. Its totient is φ = 1953692928.

The previous prime is 2481971773. The next prime is 2481971801. The reversal of 2481971785 is 5871791842.

It is a cyclic number.

It is not a de Polignac number, because 2481971785 - 2¹⁹ = 2481447497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325537 + ... + 333073.

It is an arithmetic number, because the mean of its divisors is an integer number (189143496).

Almost surely, 2^2481971785 is an apocalyptic number.

It is an amenable number.

2481971785 is a deficient number, since it is larger than the sum of its proper divisors (544324151).

2481971785 is an equidigital number, since it uses as much as digits as its factorization.

2481971785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592.

The product of its digits is 1128960, while the sum is 52.

The square root of 2481971785 is about 49819.3916562617. The cubic root of 2481971785 is about 1353.9385277189.

The spelling of 2481971785 in words is "two billion, four hundred eighty-one million, nine hundred seventy-one thousand, seven hundred eighty-five".