1489696994 has 8 divisors (see below), whose sum is σ = 2235270828. Its totient is φ = 744606720.

The previous prime is 1489696991. The next prime is 1489697003. The reversal of 1489696994 is 4996969841.

It can be written as a sum of positive squares in 2 ways, for example, as 1439215969 + 50481025 = 37937^2 + 7105^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1489696994.

It is not an unprimeable number, because it can be changed into a prime (1489696991) 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, 113087 + ... + 125570.

Almost surely, 2^1489696994 is an apocalyptic number.

1489696994 is a deficient number, since it is larger than the sum of its proper divisors (745573834).

1489696994 is a wasteful number, since it uses less digits than its factorization.

1489696994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241780.

The product of its digits is 30233088, while the sum is 65.

The square root of 1489696994 is about 38596.5930361735. The cubic root of 1489696994 is about 1142.0873304969.

The spelling of 1489696994 in words is "one billion, four hundred eighty-nine million, six hundred ninety-six thousand, nine hundred ninety-four".