1487476493 has 4 divisors (see below), whose sum is σ = 1552149408. Its totient is φ = 1422803580.

The previous prime is 1487476477. The next prime is 1487476513. The reversal of 1487476493 is 3946747841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1487476493 - 2⁴ = 1487476477 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 (1487416493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32336423 + ... + 32336468.

It is an arithmetic number, because the mean of its divisors is an integer number (388037352).

Almost surely, 2^1487476493 is an apocalyptic number.

It is an amenable number.

1487476493 is a deficient number, since it is larger than the sum of its proper divisors (64672915).

1487476493 is an equidigital number, since it uses as much as digits as its factorization.

1487476493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64672914.

The product of its digits is 4064256, while the sum is 53.

The square root of 1487476493 is about 38567.8168036512. The cubic root of 1487476493 is about 1141.5195937586.

The spelling of 1487476493 in words is "one billion, four hundred eighty-seven million, four hundred seventy-six thousand, four hundred ninety-three".