1889855063 has 2 divisors, whose sum is σ = 1889855064. Its totient is φ = 1889855062.

The previous prime is 1889855057. The next prime is 1889855069. The reversal of 1889855063 is 3605589881.

It is a balanced prime because it is at equal distance from previous prime (1889855057) and next prime (1889855069).

It is a cyclic number.

It is not a de Polignac number, because 1889855063 - 2⁸ = 1889854807 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1889854996 and 1889855014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1889855069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944927531 + 944927532.

It is an arithmetic number, because the mean of its divisors is an integer number (944927532).

Almost surely, 2^1889855063 is an apocalyptic number.

1889855063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1889855063 is an equidigital number, since it uses as much as digits as its factorization.

1889855063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The square root of 1889855063 is about 43472.4632727431. The cubic root of 1889855063 is about 1236.3539845459.

The spelling of 1889855063 in words is "one billion, eight hundred eighty-nine million, eight hundred fifty-five thousand, sixty-three".