1481973687 has 6 divisors (see below), whose sum is σ = 2140628672. Its totient is φ = 987982452.

The previous prime is 1481973667. The next prime is 1481973709. The reversal of 1481973687 is 7863791841.

It is not a de Polignac number, because 1481973687 - 2⁸ = 1481973431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481973667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82331863 + ... + 82331880.

Almost surely, 2^1481973687 is an apocalyptic number.

1481973687 is a deficient number, since it is larger than the sum of its proper divisors (658654985).

1481973687 is a wasteful number, since it uses less digits than its factorization.

1481973687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164663749 (or 164663746 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 1481973687 is about 38496.4113522287. The cubic root of 1481973687 is about 1140.1101994117.

The spelling of 1481973687 in words is "one billion, four hundred eighty-one million, nine hundred seventy-three thousand, six hundred eighty-seven".