4401693887 has 2 divisors, whose sum is σ = 4401693888. Its totient is φ = 4401693886.

The previous prime is 4401693869. The next prime is 4401693899. The reversal of 4401693887 is 7883961044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4401693887 - 2¹⁶ = 4401628351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4401693847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200846943 + 2200846944.

It is an arithmetic number, because the mean of its divisors is an integer number (2200846944).

Almost surely, 2^4401693887 is an apocalyptic number.

4401693887 is a deficient number, since it is larger than the sum of its proper divisors (1).

4401693887 is an equidigital number, since it uses as much as digits as its factorization.

4401693887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 4401693887 is about 66345.2627321650. The cubic root of 4401693887 is about 1638.8527926548.

The spelling of 4401693887 in words is "four billion, four hundred one million, six hundred ninety-three thousand, eight hundred eighty-seven".