1986049093 has 8 divisors (see below), whose sum is σ = 2284803200. Its totient is φ = 1691053200.

The previous prime is 1986049073. The next prime is 1986049099. The reversal of 1986049093 is 3909406891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1986049093 is a prime.

It is a super-2 number, since 2×1986049093² = 7888781999612245298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986049099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938418 + ... + 940531.

It is an arithmetic number, because the mean of its divisors is an integer number (285600400).

Almost surely, 2^1986049093 is an apocalyptic number.

It is an amenable number.

1986049093 is a deficient number, since it is larger than the sum of its proper divisors (298754107).

1986049093 is a wasteful number, since it uses less digits than its factorization.

1986049093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879107.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1986049093 is about 44565.1107145489. The cubic root of 1986049093 is about 1256.9847049296.

The spelling of 1986049093 in words is "one billion, nine hundred eighty-six million, forty-nine thousand, ninety-three".