400471500773 has 2 divisors, whose sum is σ = 400471500774. Its totient is φ = 400471500772.

The previous prime is 400471500761. The next prime is 400471500787. The reversal of 400471500773 is 377005174004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360981067489 + 39490433284 = 600817^2 + 198722^2 .

It is a cyclic number.

It is not a de Polignac number, because 400471500773 - 2¹⁴ = 400471484389 is a prime.

It is a super-4 number, since 4×400471500773⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400471500673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200235750386 + 200235750387.

It is an arithmetic number, because the mean of its divisors is an integer number (200235750387).

Almost surely, 2^400471500773 is an apocalyptic number.

It is an amenable number.

400471500773 is a deficient number, since it is larger than the sum of its proper divisors (1).

400471500773 is an equidigital number, since it uses as much as digits as its factorization.

400471500773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 38.

Adding to 400471500773 its reverse (377005174004), we get a palindrome (777476674777).

The spelling of 400471500773 in words is "four hundred billion, four hundred seventy-one million, five hundred thousand, seven hundred seventy-three".