1869401163 has 16 divisors (see below), whose sum is σ = 2855114240. Its totient is φ = 1065790656.

The previous prime is 1869401129. The next prime is 1869401179. The reversal of 1869401163 is 3611049681.

It is not a de Polignac number, because 1869401163 - 2⁶ = 1869401099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1869402163) 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, 92170 + ... + 110607.

It is an arithmetic number, because the mean of its divisors is an integer number (178444640).

Almost surely, 2^1869401163 is an apocalyptic number.

1869401163 is a deficient number, since it is larger than the sum of its proper divisors (985713077).

1869401163 is a wasteful number, since it uses less digits than its factorization.

1869401163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203226.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1869401163 is about 43236.5720542228. The cubic root of 1869401163 is about 1231.8774428583.

The spelling of 1869401163 in words is "one billion, eight hundred sixty-nine million, four hundred one thousand, one hundred sixty-three".