383663473 has 2 divisors, whose sum is σ = 383663474. Its totient is φ = 383663472.

The previous prime is 383663461. The next prime is 383663479. The reversal of 383663473 is 374366383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365880384 + 17783089 = 19128^2 + 4217^2 .

It is a cyclic number.

It is not a de Polignac number, because 383663473 - 2¹³ = 383655281 is a prime.

It is not a weakly prime, because it can be changed into another prime (383663479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191831736 + 191831737.

It is an arithmetic number, because the mean of its divisors is an integer number (191831737).

Almost surely, 2^383663473 is an apocalyptic number.

It is an amenable number.

383663473 is a deficient number, since it is larger than the sum of its proper divisors (1).

383663473 is an equidigital number, since it uses as much as digits as its factorization.

383663473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 43.

The square root of 383663473 is about 19587.3293993847. The cubic root of 383663473 is about 726.6358451656.

The spelling of 383663473 in words is "three hundred eighty-three million, six hundred sixty-three thousand, four hundred seventy-three".