6385146829 has 4 divisors (see below), whose sum is σ = 6385707900. Its totient is φ = 6384585760.

The previous prime is 6385146811. The next prime is 6385146839. The reversal of 6385146829 is 9286415836.

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 3702114025 + 2683032804 = 60845^2 + 51798^2 .

It is a cyclic number.

It is not a de Polignac number, because 6385146829 - 2¹¹ = 6385144781 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 (6385146809) 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, 263104 + ... + 286345.

It is an arithmetic number, because the mean of its divisors is an integer number (1596426975).

Almost surely, 2^6385146829 is an apocalyptic number.

It is an amenable number.

6385146829 is a deficient number, since it is larger than the sum of its proper divisors (561071).

6385146829 is a wasteful number, since it uses less digits than its factorization.

6385146829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561070.

The product of its digits is 2488320, while the sum is 52.

The square root of 6385146829 is about 79907.1137571618. The cubic root of 6385146829 is about 1855.1981227058.

The spelling of 6385146829 in words is "six billion, three hundred eighty-five million, one hundred forty-six thousand, eight hundred twenty-nine".