64892434058 has 4 divisors (see below), whose sum is σ = 97338651090. Its totient is φ = 32446217028.

The previous prime is 64892434043. The next prime is 64892434067. The reversal of 64892434058 is 85043429846.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85043429846 = 2 ⋅42521714923.

It can be written as a sum of positive squares in only one way, i.e., 52076609209 + 12815824849 = 228203^2 + 113207^2 .

It is a super-2 number, since 2×64892434058² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16223108513 + ... + 16223108516.

Almost surely, 2^64892434058 is an apocalyptic number.

64892434058 is a deficient number, since it is larger than the sum of its proper divisors (32446217032).

64892434058 is a wasteful number, since it uses less digits than its factorization.

64892434058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32446217031.

The product of its (nonzero) digits is 6635520, while the sum is 53.

The spelling of 64892434058 in words is "sixty-four billion, eight hundred ninety-two million, four hundred thirty-four thousand, fifty-eight".