64123941406 has 8 divisors (see below), whose sum is σ = 109926756720. Its totient is φ = 27481689168.

The previous prime is 64123941403. The next prime is 64123941407. The reversal of 64123941406 is 60414932146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64123941406² (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 (64123941403) 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, 2290140751 + ... + 2290140778.

It is an arithmetic number, because the mean of its divisors is an integer number (13740844590).

Almost surely, 2^64123941406 is an apocalyptic number.

64123941406 is a deficient number, since it is larger than the sum of its proper divisors (45802815314).

64123941406 is a wasteful number, since it uses less digits than its factorization.

64123941406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580281538.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 64123941406 in words is "sixty-four billion, one hundred twenty-three million, nine hundred forty-one thousand, four hundred six".