2497789811 has 12 divisors (see below), whose sum is σ = 2864877456. Its totient is φ = 2171988720.

The previous prime is 2497789783. The next prime is 2497789813. The reversal of 2497789811 is 1189877942.

It is not a de Polignac number, because 2497789811 - 2¹⁸ = 2497527667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2497789813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445976 + ... + 451541.

It is an arithmetic number, because the mean of its divisors is an integer number (238739788).

Almost surely, 2^2497789811 is an apocalyptic number.

2497789811 is a deficient number, since it is larger than the sum of its proper divisors (367087645).

2497789811 is a wasteful number, since it uses less digits than its factorization.

2497789811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897562 (or 897551 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 56.

The square root of 2497789811 is about 49977.8932229041. The cubic root of 2497789811 is about 1356.8087319779.

The spelling of 2497789811 in words is "two billion, four hundred ninety-seven million, seven hundred eighty-nine thousand, eight hundred eleven".