2169739478163 has 6 divisors (see below), whose sum is σ = 2892989372644. Its totient is φ = 1446491284564.

The previous prime is 2169739478147. The next prime is 2169739478183. The reversal of 2169739478163 is 3618749379612.

It is not a de Polignac number, because 2169739478163 - 2⁴ = 2169739478147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2169739478094 and 2169739478103.

It is not an unprimeable number, because it can be changed into a prime (2169739478113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2126098 + ... + 2976536.

Almost surely, 2^{2169739478163} is an apocalyptic number.

2169739478163 is a deficient number, since it is larger than the sum of its proper divisors (723249894481).

2169739478163 is an frugal number, since it uses more digits than its factorization.

2169739478163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700881 (or 850442 counting only the distinct ones).

The product of its digits is 82301184, while the sum is 66.

The spelling of 2169739478163 in words is "two trillion, one hundred sixty-nine billion, seven hundred thirty-nine million, four hundred seventy-eight thousand, one hundred sixty-three".