64321746041 has 4 divisors (see below), whose sum is σ = 73510566912. Its totient is φ = 55132925172.

The previous prime is 64321745963. The next prime is 64321746059. The reversal of 64321746041 is 14064712346.

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.

It is a cyclic number.

It is not a de Polignac number, because 64321746041 - 2²⁶ = 64254637177 is a prime.

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 = 64321745986 and 64321746004.

It is not an unprimeable number, because it can be changed into a prime (64321706041) 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, 4594410425 + ... + 4594410438.

It is an arithmetic number, because the mean of its divisors is an integer number (18377641728).

Almost surely, 2^64321746041 is an apocalyptic number.

It is an amenable number.

64321746041 is a deficient number, since it is larger than the sum of its proper divisors (9188820871).

64321746041 is an equidigital number, since it uses as much as digits as its factorization.

64321746041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188820870.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 64321746041 in words is "sixty-four billion, three hundred twenty-one million, seven hundred forty-six thousand, forty-one".