1473721431291 has 16 divisors (see below), whose sum is σ = 2183309825920. Its totient is φ = 982472486760.

The previous prime is 1473721431271. The next prime is 1473721431317. The reversal of 1473721431291 is 1921341273741.

1473721431291 is a `hidden beast` number, since 1 + 4 + 7 + 37 + 214 + 312 + 91 = 666.

It is not a de Polignac number, because 1473721431291 - 2⁷ = 1473721431163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1473721431271) 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, 5484876 + ... + 5747286.

It is an arithmetic number, because the mean of its divisors is an integer number (136456864120).

Almost surely, 2^{1473721431291} is an apocalyptic number.

1473721431291 is a deficient number, since it is larger than the sum of its proper divisors (709588394629).

1473721431291 is a wasteful number, since it uses less digits than its factorization.

1473721431291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470423 (or 470417 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 1473721431291 in words is "one trillion, four hundred seventy-three billion, seven hundred twenty-one million, four hundred thirty-one thousand, two hundred ninety-one".