1326490273 has 8 divisors (see below), whose sum is σ = 1359677088. Its totient is φ = 1293409824.

The previous prime is 1326490271. The next prime is 1326490283. The reversal of 1326490273 is 3720946231.

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 1326490273 - 2¹ = 1326490271 is a prime.

It is a super-2 number, since 2×1326490273² = 3519152888727229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326490271) 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, 1036 + ... + 51517.

It is an arithmetic number, because the mean of its divisors is an integer number (169959636).

Almost surely, 2^1326490273 is an apocalyptic number.

It is an amenable number.

1326490273 is a deficient number, since it is larger than the sum of its proper divisors (33186815).

1326490273 is an equidigital number, since it uses as much as digits as its factorization.

1326490273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1326490273 is about 36421.0141676478. The cubic root of 1326490273 is about 1098.7562451978.

The spelling of 1326490273 in words is "one billion, three hundred twenty-six million, four hundred ninety thousand, two hundred seventy-three".