1457737989 has 8 divisors (see below), whose sum is σ = 1943914080. Its totient is φ = 971693616.

The previous prime is 1457737979. The next prime is 1457738011. The reversal of 1457737989 is 9897377541.

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

It is not a de Polignac number, because 1457737989 - 2⁸ = 1457737733 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457737979) 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, 3294 + ... + 54095.

It is an arithmetic number, because the mean of its divisors is an integer number (242989260).

Almost surely, 2^1457737989 is an apocalyptic number.

It is an amenable number.

1457737989 is a deficient number, since it is larger than the sum of its proper divisors (486176091).

1457737989 is an equidigital number, since it uses as much as digits as its factorization.

1457737989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65859.

The product of its digits is 13335840, while the sum is 60.

The square root of 1457737989 is about 38180.3351085346. The cubic root of 1457737989 is about 1133.8610163147.

The spelling of 1457737989 in words is "one billion, four hundred fifty-seven million, seven hundred thirty-seven thousand, nine hundred eighty-nine".