85410803129 has 4 divisors (see below), whose sum is σ = 86858443920. Its totient is φ = 83963162340.

The previous prime is 85410803123. The next prime is 85410803131. The reversal of 85410803129 is 92130801458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85410803129 is a prime.

It is a super-2 number, since 2×85410803129² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85410803123) 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, 723820307 + ... + 723820424.

It is an arithmetic number, because the mean of its divisors is an integer number (21714610980).

Almost surely, 2^85410803129 is an apocalyptic number.

It is an amenable number.

85410803129 is a deficient number, since it is larger than the sum of its proper divisors (1447640791).

85410803129 is a wasteful number, since it uses less digits than its factorization.

85410803129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447640790.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 85410803129 in words is "eighty-five billion, four hundred ten million, eight hundred three thousand, one hundred twenty-nine".