1454065989 has 4 divisors (see below), whose sum is σ = 1938754656. Its totient is φ = 969377324.

The previous prime is 1454065969. The next prime is 1454065999. The reversal of 1454065989 is 9895604541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1454065989 - 2²⁰ = 1453017413 is a prime.

It is a super-2 number, since 2×1454065989² = 4228615800733096242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454065919) 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, 242344329 + ... + 242344334.

It is an arithmetic number, because the mean of its divisors is an integer number (484688664).

Almost surely, 2^1454065989 is an apocalyptic number.

It is an amenable number.

1454065989 is a deficient number, since it is larger than the sum of its proper divisors (484688667).

1454065989 is an equidigital number, since it uses as much as digits as its factorization.

1454065989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484688666.

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 1454065989 is about 38132.2172054026. The cubic root of 1454065989 is about 1132.9081613829.

The spelling of 1454065989 in words is "one billion, four hundred fifty-four million, sixty-five thousand, nine hundred eighty-nine".