2496920985 has 144 divisors (see below), whose sum is σ = 5143983936. Its totient is φ = 1154829312.

The previous prime is 2496920977. The next prime is 2496920989. The reversal of 2496920985 is 5890296942.

It is a happy number.

It is not a de Polignac number, because 2496920985 - 2³ = 2496920977 is a prime.

It is a super-2 number, since 2×2496920985² = 12469228810666740450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2496920989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4564482 + ... + 4565028.

Almost surely, 2^2496920985 is an apocalyptic number.

It is an amenable number.

2496920985 is an abundant number, since it is smaller than the sum of its proper divisors (2647062951).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2496920985 is a wasteful number, since it uses less digits than its factorization.

2496920985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 2496920985 is about 49969.2003638241. The cubic root of 2496920985 is about 1356.6513972273.

It can be divided in two parts, 24969 and 20985, that added together give a palindrome (45954).

The spelling of 2496920985 in words is "two billion, four hundred ninety-six million, nine hundred twenty thousand, nine hundred eighty-five".