2485396991 has 48 divisors (see below), whose sum is σ = 3340491840. Its totient is φ = 1803648000.

The previous prime is 2485396943. The next prime is 2485397009. The reversal of 2485396991 is 1996935842.

2485396991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2485396991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485396591) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1453445 + ... + 1455153.

It is an arithmetic number, because the mean of its divisors is an integer number (69593580).

Almost surely, 2^2485396991 is an apocalyptic number.

2485396991 is a deficient number, since it is larger than the sum of its proper divisors (855094849).

2485396991 is a wasteful number, since it uses less digits than its factorization.

2485396991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 1845 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 2485396991 is about 49853.7560370330. The cubic root of 2485396991 is about 1354.5610685981.

The spelling of 2485396991 in words is "two billion, four hundred eighty-five million, three hundred ninety-six thousand, nine hundred ninety-one".