64420363105 has 8 divisors (see below), whose sum is σ = 88347926592. Its totient is φ = 44173963248.

The previous prime is 64420363061. The next prime is 64420363109. The reversal of 64420363105 is 50136302446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64420363105 - 2³³ = 55830428513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64420363109) 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, 920290867 + ... + 920290936.

It is an arithmetic number, because the mean of its divisors is an integer number (11043490824).

Almost surely, 2^64420363105 is an apocalyptic number.

It is an amenable number.

64420363105 is a deficient number, since it is larger than the sum of its proper divisors (23927563487).

64420363105 is a wasteful number, since it uses less digits than its factorization.

64420363105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840581815.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 64420363105 in words is "sixty-four billion, four hundred twenty million, three hundred sixty-three thousand, one hundred five".