64622066403 has 16 divisors (see below), whose sum is σ = 90039142656. Its totient is φ = 41148608160.

The previous prime is 64622066389. The next prime is 64622066407. The reversal of 64622066403 is 30466022646.

It is a happy number.

It is not a de Polignac number, because 64622066403 - 2⁴ = 64622066387 is a prime.

It is a super-2 number, since 2×64622066403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64622066407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630000 + ... + 725357.

It is an arithmetic number, because the mean of its divisors is an integer number (5627446416).

Almost surely, 2^64622066403 is an apocalyptic number.

64622066403 is a deficient number, since it is larger than the sum of its proper divisors (25417076253).

64622066403 is a wasteful number, since it uses less digits than its factorization.

64622066403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356074.

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 64622066403 in words is "sixty-four billion, six hundred twenty-two million, sixty-six thousand, four hundred three".