1447428787201 has 16 divisors (see below), whose sum is σ = 1492076376000. Its totient is φ = 1403486738368.

The previous prime is 1447428787171. The next prime is 1447428787219. The reversal of 1447428787201 is 1027878247441.

It is not a de Polignac number, because 1447428787201 - 2¹⁷ = 1447428656129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447428787271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2071575 + ... + 2680723.

It is an arithmetic number, because the mean of its divisors is an integer number (93254773500).

Almost surely, 2^{1447428787201} is an apocalyptic number.

It is an amenable number.

1447428787201 is a deficient number, since it is larger than the sum of its proper divisors (44647588799).

1447428787201 is a wasteful number, since it uses less digits than its factorization.

1447428787201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609728.

The product of its (nonzero) digits is 5619712, while the sum is 55.

The spelling of 1447428787201 in words is "one trillion, four hundred forty-seven billion, four hundred twenty-eight million, seven hundred eighty-seven thousand, two hundred one".