2534811985 has 12 divisors (see below), whose sum is σ = 3094224948. Its totient is φ = 1993465568.

The previous prime is 2534811977. The next prime is 2534812067. The reversal of 2534811985 is 5891184352.

It can be written as a sum of positive squares in 2 ways, for example, as 981506241 + 1553305744 = 31329^2 + 39412^2 .

It is not a de Polignac number, because 2534811985 - 2³ = 2534811977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55414 + ... + 90223.

It is an arithmetic number, because the mean of its divisors is an integer number (257852079).

Almost surely, 2^2534811985 is an apocalyptic number.

It is an amenable number.

2534811985 is a deficient number, since it is larger than the sum of its proper divisors (559412963).

2534811985 is an equidigital number, since it uses as much as digits as its factorization.

2534811985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145760 (or 145701 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 2534811985 is about 50346.9163405268. The cubic root of 2534811985 is about 1363.4794098189.

The spelling of 2534811985 in words is "two billion, five hundred thirty-four million, eight hundred eleven thousand, nine hundred eighty-five".