1453390069 has 8 divisors (see below), whose sum is σ = 1474723800. Its totient is φ = 1432094976.

The previous prime is 1453390039. The next prime is 1453390109. The reversal of 1453390069 is 9600933541.

It can be written as a sum of positive squares in 4 ways, for example, as 59861169 + 1393528900 = 7737^2 + 37330^2 .

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 1453390069 - 2²³ = 1445001461 is a prime.

It is a super-2 number, since 2×1453390069² = 4224685385335649522, 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 (1453390039) 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, 71007 + ... + 89155.

It is an arithmetic number, because the mean of its divisors is an integer number (184340475).

Almost surely, 2^1453390069 is an apocalyptic number.

It is an amenable number.

1453390069 is a deficient number, since it is larger than the sum of its proper divisors (21333731).

1453390069 is a wasteful number, since it uses less digits than its factorization.

1453390069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 1453390069 is about 38123.3533283734. The cubic root of 1453390069 is about 1132.7325907247.

The spelling of 1453390069 in words is "one billion, four hundred fifty-three million, three hundred ninety thousand, sixty-nine".