1898799063 has 16 divisors (see below), whose sum is σ = 3019209216. Its totient is φ = 1037852640.

The previous prime is 1898799059. The next prime is 1898799083. The reversal of 1898799063 is 3609978981.

It is not a de Polignac number, because 1898799063 - 2² = 1898799059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1898798988 and 1898799006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898799083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965148 + ... + 1966113.

It is an arithmetic number, because the mean of its divisors is an integer number (188700576).

Almost surely, 2^1898799063 is an apocalyptic number.

1898799063 is a deficient number, since it is larger than the sum of its proper divisors (1120410153).

1898799063 is a wasteful number, since it uses less digits than its factorization.

1898799063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931294.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The square root of 1898799063 is about 43575.2115657515. The cubic root of 1898799063 is about 1238.3013210640.

The spelling of 1898799063 in words is "one billion, eight hundred ninety-eight million, seven hundred ninety-nine thousand, sixty-three".