2681480831 has 4 divisors (see below), whose sum is σ = 2700772200. Its totient is φ = 2662189464.

The previous prime is 2681480827. The next prime is 2681480869. The reversal of 2681480831 is 1380841862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2681480831 - 2² = 2681480827 is a prime.

It is a super-2 number, since 2×2681480831² = 14380678894040901122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681480881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9645476 + ... + 9645753.

It is an arithmetic number, because the mean of its divisors is an integer number (675193050).

Almost surely, 2^2681480831 is an apocalyptic number.

2681480831 is a deficient number, since it is larger than the sum of its proper divisors (19291369).

2681480831 is a wasteful number, since it uses less digits than its factorization.

2681480831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19291368.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 2681480831 is about 51783.0168201892. The cubic root of 2681480831 is about 1389.2857001413.

The spelling of 2681480831 in words is "two billion, six hundred eighty-one million, four hundred eighty thousand, eight hundred thirty-one".