64121310363622 has 64 divisors (see below), whose sum is σ = 101066873250816. Its totient is φ = 30474916243200.

The previous prime is 64121310363569. The next prime is 64121310363637. The reversal of 64121310363622 is 22636301312146.

It is a super-2 number, since 2×64121310363622² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4779102658 + ... + 4779116074.

It is an arithmetic number, because the mean of its divisors is an integer number (1579169894544).

Almost surely, 2^{64121310363622} is an apocalyptic number.

64121310363622 is a deficient number, since it is larger than the sum of its proper divisors (36945562887194).

64121310363622 is a wasteful number, since it uses less digits than its factorization.

64121310363622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15901.

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 64121310363622 its reverse (22636301312146), we get a palindrome (86757611675768).

The spelling of 64121310363622 in words is "sixty-four trillion, one hundred twenty-one billion, three hundred ten million, three hundred sixty-three thousand, six hundred twenty-two".