183479794109 has 2 divisors, whose sum is σ = 183479794110. Its totient is φ = 183479794108.

The previous prime is 183479794087. The next prime is 183479794213. The reversal of 183479794109 is 901497974381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120266772025 + 63213022084 = 346795^2 + 251422^2 .

It is an emirp because it is prime and its reverse (901497974381) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-183479794109 is a prime.

It is a super-2 number, since 2×183479794109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183479794609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91739897054 + 91739897055.

It is an arithmetic number, because the mean of its divisors is an integer number (91739897055).

Almost surely, 2^183479794109 is an apocalyptic number.

It is an amenable number.

183479794109 is a deficient number, since it is larger than the sum of its proper divisors (1).

183479794109 is an equidigital number, since it uses as much as digits as its factorization.

183479794109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 183479794109 in words is "one hundred eighty-three billion, four hundred seventy-nine million, seven hundred ninety-four thousand, one hundred nine".