2485776381 has 8 divisors (see below), whose sum is σ = 3615674784. Its totient is φ = 1506531120.

The previous prime is 2485776341. The next prime is 2485776409. The reversal of 2485776381 is 1836775842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2485776381 - 2⁷ = 2485776253 is a prime.

It is a super-2 number, since 2×2485776381² = 12358168432674914322, 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 (2485776341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37663246 + ... + 37663311.

It is an arithmetic number, because the mean of its divisors is an integer number (451959348).

Almost surely, 2^2485776381 is an apocalyptic number.

It is an amenable number.

2485776381 is a deficient number, since it is larger than the sum of its proper divisors (1129898403).

2485776381 is a wasteful number, since it uses less digits than its factorization.

2485776381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75326571.

The product of its digits is 2257920, while the sum is 51.

The square root of 2485776381 is about 49857.5609210880. The cubic root of 2485776381 is about 1354.6299886109.

The spelling of 2485776381 in words is "two billion, four hundred eighty-five million, seven hundred seventy-six thousand, three hundred eighty-one".