8180429039 has 2 divisors, whose sum is σ = 8180429040. Its totient is φ = 8180429038.

The previous prime is 8180428999. The next prime is 8180429071. The reversal of 8180429039 is 9309240818.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8180429039 - 2³² = 3885461743 is a prime.

It is a super-2 number, since 2×8180429039² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8180459039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4090214519 + 4090214520.

It is an arithmetic number, because the mean of its divisors is an integer number (4090214520).

Almost surely, 2^8180429039 is an apocalyptic number.

8180429039 is a deficient number, since it is larger than the sum of its proper divisors (1).

8180429039 is an equidigital number, since it uses as much as digits as its factorization.

8180429039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 8180429039 is about 90445.7242715210. The cubic root of 8180429039 is about 2014.9241116923.

The spelling of 8180429039 in words is "eight billion, one hundred eighty million, four hundred twenty-nine thousand, thirty-nine".