1491318876 has 48 divisors (see below), whose sum is σ = 3552159744. Its totient is φ = 486797376.

The previous prime is 1491318859. The next prime is 1491318943. The reversal of 1491318876 is 6788131941.

1491318876 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384121 + ... + 387983.

It is an arithmetic number, because the mean of its divisors is an integer number (74003328).

Almost surely, 2^1491318876 is an apocalyptic number.

It is an amenable number.

1491318876 is an abundant number, since it is smaller than the sum of its proper divisors (2060840868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1491318876 is a wasteful number, since it uses less digits than its factorization.

1491318876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4528 counting only the distinct ones).

The product of its digits is 290304, while the sum is 48.

The square root of 1491318876 is about 38617.5980091978. The cubic root of 1491318876 is about 1142.5016561543.

The spelling of 1491318876 in words is "one billion, four hundred ninety-one million, three hundred eighteen thousand, eight hundred seventy-six".