864061555229 has 4 divisors (see below), whose sum is σ = 864066471840. Its totient is φ = 864056638620.

The previous prime is 864061555213. The next prime is 864061555277. The reversal of 864061555229 is 922555160468.

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 not a de Polignac number, because 864061555229 - 2⁴ = 864061555213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864061575229) 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, 2184527 + ... + 2549564.

It is an arithmetic number, because the mean of its divisors is an integer number (216016617960).

Almost surely, 2^864061555229 is an apocalyptic number.

It is an amenable number.

864061555229 is a deficient number, since it is larger than the sum of its proper divisors (4916611).

864061555229 is a wasteful number, since it uses less digits than its factorization.

864061555229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916610.

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 864061555229 in words is "eight hundred sixty-four billion, sixty-one million, five hundred fifty-five thousand, two hundred twenty-nine".