1453070989 has 4 divisors (see below), whose sum is σ = 1456806780. Its totient is φ = 1449335200.

The previous prime is 1453070987. The next prime is 1453071001. The reversal of 1453070989 is 9890703541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176438089 + 1276632900 = 13283^2 + 35730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453070989 - 2¹ = 1453070987 is a prime.

It is a super-2 number, since 2×1453070989² = 4222830598146876242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453070987) 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, 1867312 + ... + 1868089.

It is an arithmetic number, because the mean of its divisors is an integer number (364201695).

Almost surely, 2^1453070989 is an apocalyptic number.

It is an amenable number.

1453070989 is a deficient number, since it is larger than the sum of its proper divisors (3735791).

1453070989 is an equidigital number, since it uses as much as digits as its factorization.

1453070989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735790.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1453070989 is about 38119.1682621749. The cubic root of 1453070989 is about 1132.6496905738.

The spelling of 1453070989 in words is "one billion, four hundred fifty-three million, seventy thousand, nine hundred eighty-nine".