1492395985 has 4 divisors (see below), whose sum is σ = 1790875188. Its totient is φ = 1193916784.

The previous prime is 1492395913. The next prime is 1492395997. The reversal of 1492395985 is 5895932941.

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 466603201 + 1025792784 = 21601^2 + 32028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492395985 - 2⁷ = 1492395857 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, 149239594 + ... + 149239603.

It is an arithmetic number, because the mean of its divisors is an integer number (447718797).

Almost surely, 2^1492395985 is an apocalyptic number.

It is an amenable number.

1492395985 is a deficient number, since it is larger than the sum of its proper divisors (298479203).

1492395985 is an equidigital number, since it uses as much as digits as its factorization.

1492395985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298479202.

The product of its digits is 3499200, while the sum is 55.

The square root of 1492395985 is about 38631.5413231209. The cubic root of 1492395985 is about 1142.7766482406.

The spelling of 1492395985 in words is "one billion, four hundred ninety-two million, three hundred ninety-five thousand, nine hundred eighty-five".