1473984397 has 2 divisors, whose sum is σ = 1473984398. Its totient is φ = 1473984396.

The previous prime is 1473984367. The next prime is 1473984469. The reversal of 1473984397 is 7934893741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391737636 + 82246761 = 37306^2 + 9069^2 .

It is an emirp because it is prime and its reverse (7934893741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1473984397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1473984307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736992198 + 736992199.

It is an arithmetic number, because the mean of its divisors is an integer number (736992199).

Almost surely, 2^1473984397 is an apocalyptic number.

It is an amenable number.

1473984397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473984397 is an equidigital number, since it uses as much as digits as its factorization.

1473984397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 55.

The square root of 1473984397 is about 38392.5044377154. The cubic root of 1473984397 is about 1138.0577364216.

The spelling of 1473984397 in words is "one billion, four hundred seventy-three million, nine hundred eighty-four thousand, three hundred ninety-seven".