1478486651 has 8 divisors (see below), whose sum is σ = 1565845344. Its totient is φ = 1391171200.

The previous prime is 1478486641. The next prime is 1478486683. The reversal of 1478486651 is 1566848741.

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

It is not a de Polignac number, because 1478486651 - 2¹⁴ = 1478470267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1478486651.

It is not an unprimeable number, because it can be changed into a prime (1478486641) 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 7 ways as a sum of consecutive naturals, for example, 82841 + ... + 99093.

It is an arithmetic number, because the mean of its divisors is an integer number (195730668).

Almost surely, 2^1478486651 is an apocalyptic number.

1478486651 is a deficient number, since it is larger than the sum of its proper divisors (87358693).

1478486651 is a wasteful number, since it uses less digits than its factorization.

1478486651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21621.

The product of its digits is 1290240, while the sum is 50.

The square root of 1478486651 is about 38451.0942757160. The cubic root of 1478486651 is about 1139.2152830392.

The spelling of 1478486651 in words is "one billion, four hundred seventy-eight million, four hundred eighty-six thousand, six hundred fifty-one".