4388400473 has 2 divisors, whose sum is σ = 4388400474. Its totient is φ = 4388400472.

The previous prime is 4388400427. The next prime is 4388400487. The reversal of 4388400473 is 3740048834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3977446489 + 410953984 = 63067^2 + 20272^2 .

It is a cyclic number.

It is not a de Polignac number, because 4388400473 - 2¹⁴ = 4388384089 is a prime.

It is a super-2 number, since 2×4388400473² = 38516117422853247458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4388400473.

It is not a weakly prime, because it can be changed into another prime (4388400073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194200236 + 2194200237.

It is an arithmetic number, because the mean of its divisors is an integer number (2194200237).

Almost surely, 2^4388400473 is an apocalyptic number.

It is an amenable number.

4388400473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4388400473 is an equidigital number, since it uses as much as digits as its factorization.

4388400473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 4388400473 is about 66245.0033813872. The cubic root of 4388400473 is about 1637.2013134917.

The spelling of 4388400473 in words is "four billion, three hundred eighty-eight million, four hundred thousand, four hundred seventy-three".