64229339753 has 4 divisors (see below), whose sum is σ = 64230980688. Its totient is φ = 64227698820.

The previous prime is 64229339731. The next prime is 64229339767. The reversal of 64229339753 is 35793392246.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35793392246 = 2 ⋅17896696123.

It is a cyclic number.

It is not a de Polignac number, because 64229339753 - 2¹⁸ = 64229077609 is a prime.

It is a super-2 number, since 2×64229339753² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64229339695 and 64229339704.

It is not an unprimeable number, because it can be changed into a prime (64229332753) 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, 760283 + ... + 840528.

It is an arithmetic number, because the mean of its divisors is an integer number (16057745172).

Almost surely, 2^64229339753 is an apocalyptic number.

It is an amenable number.

64229339753 is a deficient number, since it is larger than the sum of its proper divisors (1640935).

64229339753 is a wasteful number, since it uses less digits than its factorization.

64229339753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640934.

The product of its digits is 7348320, while the sum is 53.

The spelling of 64229339753 in words is "sixty-four billion, two hundred twenty-nine million, three hundred thirty-nine thousand, seven hundred fifty-three".