64295451119 has 4 divisors (see below), whose sum is σ = 64418387496. Its totient is φ = 64172514744.

The previous prime is 64295451113. The next prime is 64295451149. The reversal of 64295451119 is 91115459246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64295451119 - 2²⁴ = 64278673903 is a prime.

It is a super-2 number, since 2×64295451119² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64295451113) 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, 61467404 + ... + 61468449.

It is an arithmetic number, because the mean of its divisors is an integer number (16104596874).

Almost surely, 2^64295451119 is an apocalyptic number.

64295451119 is a deficient number, since it is larger than the sum of its proper divisors (122936377).

64295451119 is a wasteful number, since it uses less digits than its factorization.

64295451119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122936376.

The product of its digits is 388800, while the sum is 47.

The spelling of 64295451119 in words is "sixty-four billion, two hundred ninety-five million, four hundred fifty-one thousand, one hundred nineteen".