1990363115 has 8 divisors (see below), whose sum is σ = 2572161648. Its totient is φ = 1469806560.

The previous prime is 1990363057. The next prime is 1990363139. The reversal of 1990363115 is 5113630991.

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

It is not a de Polignac number, because 1990363115 - 2⁸ = 1990362859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15310421 + ... + 15310550.

It is an arithmetic number, because the mean of its divisors is an integer number (321520206).

Almost surely, 2^1990363115 is an apocalyptic number.

1990363115 is a deficient number, since it is larger than the sum of its proper divisors (581798533).

1990363115 is a wasteful number, since it uses less digits than its factorization.

1990363115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620989.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 1990363115 is about 44613.4857974581. The cubic root of 1990363115 is about 1257.8941718911.

The spelling of 1990363115 in words is "one billion, nine hundred ninety million, three hundred sixty-three thousand, one hundred fifteen".