1471494985 has 4 divisors (see below), whose sum is σ = 1765793988. Its totient is φ = 1177195984.

The previous prime is 1471494967. The next prime is 1471494991. The reversal of 1471494985 is 5894941741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 609250489 + 862244496 = 24683^2 + 29364^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471494985 - 2⁹ = 1471494473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147149494 + ... + 147149503.

It is an arithmetic number, because the mean of its divisors is an integer number (441448497).

Almost surely, 2^1471494985 is an apocalyptic number.

It is an amenable number.

1471494985 is a deficient number, since it is larger than the sum of its proper divisors (294299003).

1471494985 is an equidigital number, since it uses as much as digits as its factorization.

1471494985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294299002.

The product of its digits is 1451520, while the sum is 52.

The square root of 1471494985 is about 38360.0701902382. The cubic root of 1471494985 is about 1137.4166868901.

The spelling of 1471494985 in words is "one billion, four hundred seventy-one million, four hundred ninety-four thousand, nine hundred eighty-five".