1446192989 has 8 divisors (see below), whose sum is σ = 1489275480. Its totient is φ = 1403320896.

The previous prime is 1446192983. The next prime is 1446193003. The reversal of 1446192989 is 9892916441.

It can be written as a sum of positive squares in 4 ways, for example, as 133217764 + 1312975225 = 11542^2 + 36235^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1446192989 - 2²⁸ = 1177757533 is a prime.

It is a super-2 number, since 2×1446192989² = 4182948322865508242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1446192989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446192983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38594 + ... + 66195.

It is an arithmetic number, because the mean of its divisors is an integer number (186159435).

Almost surely, 2^1446192989 is an apocalyptic number.

It is an amenable number.

1446192989 is a deficient number, since it is larger than the sum of its proper divisors (43082491).

1446192989 is a wasteful number, since it uses less digits than its factorization.

1446192989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105199.

The product of its digits is 1119744, while the sum is 53.

The square root of 1446192989 is about 38028.8441712340. The cubic root of 1446192989 is about 1130.8597599707.

The spelling of 1446192989 in words is "one billion, four hundred forty-six million, one hundred ninety-two thousand, nine hundred eighty-nine".