1487432913 has 4 divisors (see below), whose sum is σ = 1983243888. Its totient is φ = 991621940.

The previous prime is 1487432887. The next prime is 1487432927. The reversal of 1487432913 is 3192347841.

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 1487432913 - 2¹⁴ = 1487416529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1487432813) 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, 247905483 + ... + 247905488.

It is an arithmetic number, because the mean of its divisors is an integer number (495810972).

Almost surely, 2^1487432913 is an apocalyptic number.

It is an amenable number.

1487432913 is a deficient number, since it is larger than the sum of its proper divisors (495810975).

1487432913 is an equidigital number, since it uses as much as digits as its factorization.

1487432913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495810974.

The product of its digits is 145152, while the sum is 42.

The square root of 1487432913 is about 38567.2518206833. The cubic root of 1487432913 is about 1141.5084455915.

The spelling of 1487432913 in words is "one billion, four hundred eighty-seven million, four hundred thirty-two thousand, nine hundred thirteen".