6469085901 has 4 divisors (see below), whose sum is σ = 8625447872. Its totient is φ = 4312723932.

The previous prime is 6469085897. The next prime is 6469085911. The reversal of 6469085901 is 1095809646.

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 not a de Polignac number, because 6469085901 - 2² = 6469085897 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 (6469085911) 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, 1078180981 + ... + 1078180986.

It is an arithmetic number, because the mean of its divisors is an integer number (2156361968).

Almost surely, 2^6469085901 is an apocalyptic number.

It is an amenable number.

6469085901 is a deficient number, since it is larger than the sum of its proper divisors (2156361971).

6469085901 is a wasteful number, since it uses less digits than its factorization.

6469085901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156361970.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 6469085901 is about 80430.6278789368. The cubic root of 6469085901 is about 1863.2922288679.

The spelling of 6469085901 in words is "six billion, four hundred sixty-nine million, eighty-five thousand, nine hundred one".