80305825830529 has 4 divisors (see below), whose sum is σ = 86483197048276. Its totient is φ = 74128454612784.

The previous prime is 80305825830523. The next prime is 80305825830557. The reversal of 80305825830529 is 92503852850308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29291205258225 + 51014620572304 = 5412135^2 + 7142452^2 .

It is not a de Polignac number, because 80305825830529 - 2²⁷ = 80305691612801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80305825830523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088685608854 + ... + 3088685608879.

It is an arithmetic number, because the mean of its divisors is an integer number (21620799262069).

Almost surely, 2^{80305825830529} is an apocalyptic number.

It is an amenable number.

80305825830529 is a deficient number, since it is larger than the sum of its proper divisors (6177371217747).

80305825830529 is a wasteful number, since it uses less digits than its factorization.

80305825830529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177371217746.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 80305825830529 in words is "eighty trillion, three hundred five billion, eight hundred twenty-five million, eight hundred thirty thousand, five hundred twenty-nine".