64210906842 has 16 divisors (see below), whose sum is σ = 128501647680. Its totient is φ = 21390329952.

The previous prime is 64210906841. The next prime is 64210906843. The reversal of 64210906842 is 24860901246.

It is an interprime number because it is at equal distance from previous prime (64210906841) and next prime (64210906843).

It is a junction number, because it is equal to n+sod(n) for n = 64210906794 and 64210906803.

It is not an unprimeable number, because it can be changed into a prime (64210906841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315958 + ... + 3335265.

It is an arithmetic number, because the mean of its divisors is an integer number (8031352980).

Almost surely, 2^64210906842 is an apocalyptic number.

64210906842 is an abundant number, since it is smaller than the sum of its proper divisors (64290740838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64210906842 is a wasteful number, since it uses less digits than its factorization.

64210906842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652837.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 64210906842 in words is "sixty-four billion, two hundred ten million, nine hundred six thousand, eight hundred forty-two".