1472247726209 has 4 divisors (see below), whose sum is σ = 1585497551316. Its totient is φ = 1358997901104.

The previous prime is 1472247726203. The next prime is 1472247726239. The reversal of 1472247726209 is 9026277422741.

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 455976067600 + 1016271658609 = 675260^2 + 1008103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1472247726209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472247726203) 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, 56624912534 + ... + 56624912559.

It is an arithmetic number, because the mean of its divisors is an integer number (396374387829).

Almost surely, 2^{1472247726209} is an apocalyptic number.

It is an amenable number.

1472247726209 is a deficient number, since it is larger than the sum of its proper divisors (113249825107).

1472247726209 is a wasteful number, since it uses less digits than its factorization.

1472247726209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113249825106.

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 1472247726209 in words is "one trillion, four hundred seventy-two billion, two hundred forty-seven million, seven hundred twenty-six thousand, two hundred nine".