1491467475 has 12 divisors (see below), whose sum is σ = 2465893016. Its totient is φ = 795449280.

The previous prime is 1491467473. The next prime is 1491467519. The reversal of 1491467475 is 5747641941.

It is not a de Polignac number, because 1491467475 - 2¹ = 1491467473 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1491467473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9943042 + ... + 9943191.

Almost surely, 2^1491467475 is an apocalyptic number.

1491467475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1491467475 is a deficient number, since it is larger than the sum of its proper divisors (974425541).

1491467475 is a wasteful number, since it uses less digits than its factorization.

1491467475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19886246 (or 19886241 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 1491467475 is about 38619.5219416295. The cubic root of 1491467475 is about 1142.5396022005.

The spelling of 1491467475 in words is "one billion, four hundred ninety-one million, four hundred sixty-seven thousand, four hundred seventy-five".