64425211434436 has 12 divisors (see below), whose sum is σ = 112746377996560. Its totient is φ = 32211960578280.

The previous prime is 64425211434431. The next prime is 64425211434461. The reversal of 64425211434436 is 63443411252446.

64425211434436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64425211434436.

It is not an unprimeable number, because it can be changed into a prime (64425211434431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161060010 + ... + 161459521.

Almost surely, 2^{64425211434436} is an apocalyptic number.

It is an amenable number.

64425211434436 is a deficient number, since it is larger than the sum of its proper divisors (48321166562124).

64425211434436 is a wasteful number, since it uses less digits than its factorization.

64425211434436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322569474 (or 322569472 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 49.

The spelling of 64425211434436 in words is "sixty-four trillion, four hundred twenty-five billion, two hundred eleven million, four hundred thirty-four thousand, four hundred thirty-six".