64195369 has 8 divisors (see below), whose sum is σ = 76556160. Its totient is φ = 52632096.

The previous prime is 64195367. The next prime is 64195379. The reversal of 64195369 is 96359146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64195369 - 2¹ = 64195367 is a prime.

It is a super-2 number, since 2×64195369² = 8242090802092322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64195367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199204 + ... + 199525.

It is an arithmetic number, because the mean of its divisors is an integer number (9569520).

Almost surely, 2^64195369 is an apocalyptic number.

It is an amenable number.

64195369 is a deficient number, since it is larger than the sum of its proper divisors (12360791).

64195369 is a wasteful number, since it uses less digits than its factorization.

64195369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398759.

The product of its digits is 174960, while the sum is 43.

The square root of 64195369 is about 8012.2012580813. The cubic root of 64195369 is about 400.4066052903.

The spelling of 64195369 in words is "sixty-four million, one hundred ninety-five thousand, three hundred sixty-nine".