1481694775 has 24 divisors (see below), whose sum is σ = 2014786224. Its totient is φ = 1071974400.

The previous prime is 1481694769. The next prime is 1481694791. The reversal of 1481694775 is 5774961841.

It is a happy number.

It is not a de Polignac number, because 1481694775 - 2⁵ = 1481694743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39117 + ... + 67033.

It is an arithmetic number, because the mean of its divisors is an integer number (83949426).

Almost surely, 2^1481694775 is an apocalyptic number.

1481694775 is a deficient number, since it is larger than the sum of its proper divisors (533091449).

1481694775 is a wasteful number, since it uses less digits than its factorization.

1481694775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28131 (or 28126 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 1481694775 is about 38492.7886103358. The cubic root of 1481694775 is about 1140.0386708437.

The spelling of 1481694775 in words is "one billion, four hundred eighty-one million, six hundred ninety-four thousand, seven hundred seventy-five".