2481416781 has 32 divisors (see below), whose sum is σ = 3630274560. Its totient is φ = 1501403904.

The previous prime is 2481416771. The next prime is 2481416797. The reversal of 2481416781 is 1876141842.

It is not a de Polignac number, because 2481416781 - 2⁹ = 2481416269 is a prime.

It is a super-2 number, since 2×2481416781² = 12314858482056803922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481416771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166086 + ... + 180408.

It is an arithmetic number, because the mean of its divisors is an integer number (113446080).

Almost surely, 2^2481416781 is an apocalyptic number.

It is an amenable number.

2481416781 is a deficient number, since it is larger than the sum of its proper divisors (1148857779).

2481416781 is a wasteful number, since it uses less digits than its factorization.

2481416781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465.

The product of its digits is 86016, while the sum is 42.

The square root of 2481416781 is about 49813.8211844865. The cubic root of 2481416781 is about 1353.8376002599.

The spelling of 2481416781 in words is "two billion, four hundred eighty-one million, four hundred sixteen thousand, seven hundred eighty-one".