1446728011 has 4 divisors (see below), whose sum is σ = 1449748800. Its totient is φ = 1443707224.

The previous prime is 1446727987. The next prime is 1446728047. The reversal of 1446728011 is 1108276441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1446728011 is a prime.

It is a super-2 number, since 2×1446728011² = 4186043875624032242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1446728071) 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, 1509676 + ... + 1510633.

It is an arithmetic number, because the mean of its divisors is an integer number (362437200).

Almost surely, 2^1446728011 is an apocalyptic number.

1446728011 is a deficient number, since it is larger than the sum of its proper divisors (3020789).

1446728011 is an equidigital number, since it uses as much as digits as its factorization.

1446728011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020788.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1446728011 is about 38035.8779443830. The cubic root of 1446728011 is about 1130.9991973900. Note that the first 3 decimals are identical.

The spelling of 1446728011 in words is "one billion, four hundred forty-six million, seven hundred twenty-eight thousand, eleven".