64123941429 has 6 divisors (see below), whose sum is σ = 92623470966. Its totient is φ = 42749294280.

The previous prime is 64123941421. The next prime is 64123941437. The reversal of 64123941429 is 92414932146.

64123941429 is a `hidden beast` number, since 6 + 412 + 3 + 94 + 142 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (64123941421) and next prime (64123941437).

It can be written as a sum of positive squares in only one way, i.e., 45273200625 + 18850740804 = 212775^2 + 137298^2 .

It is not a de Polignac number, because 64123941429 - 2³ = 64123941421 is a prime.

It is a super-2 number, since 2×64123941429² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64123941421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3562441182 + ... + 3562441199.

It is an arithmetic number, because the mean of its divisors is an integer number (15437245161).

Almost surely, 2^64123941429 is an apocalyptic number.

It is an amenable number.

64123941429 is a deficient number, since it is larger than the sum of its proper divisors (28499529537).

64123941429 is a wasteful number, since it uses less digits than its factorization.

64123941429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124882387 (or 7124882384 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 64123941429 in words is "sixty-four billion, one hundred twenty-three million, nine hundred forty-one thousand, four hundred twenty-nine".