1601850863 has 2 divisors, whose sum is σ = 1601850864. Its totient is φ = 1601850862.

The previous prime is 1601850829. The next prime is 1601850871. The reversal of 1601850863 is 3680581061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601850863 - 2¹⁰ = 1601849839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601850563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800925431 + 800925432.

It is an arithmetic number, because the mean of its divisors is an integer number (800925432).

Almost surely, 2^1601850863 is an apocalyptic number.

1601850863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601850863 is an equidigital number, since it uses as much as digits as its factorization.

1601850863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1601850863 is about 40023.1291005588. The cubic root of 1601850863 is about 1170.0579178478.

The spelling of 1601850863 in words is "one billion, six hundred one million, eight hundred fifty thousand, eight hundred sixty-three".