64123941404 has 24 divisors (see below), whose sum is σ = 114268090608. Its totient is φ = 31481219840.

The previous prime is 64123941403. The next prime is 64123941407. The reversal of 64123941404 is 40414932146.

It is a super-2 number, since 2×64123941404² (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614567 + ... + 711294.

It is an arithmetic number, because the mean of its divisors is an integer number (4761170442).

Almost surely, 2^64123941404 is an apocalyptic number.

It is an amenable number.

64123941404 is a deficient number, since it is larger than the sum of its proper divisors (50144149204).

64123941404 is a wasteful number, since it uses less digits than its factorization.

64123941404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326085 (or 1326083 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 64123941404 in words is "sixty-four billion, one hundred twenty-three million, nine hundred forty-one thousand, four hundred four".