64263461802 has 32 divisors (see below), whose sum is σ = 129236399424. Its totient is φ = 21303004800.

The previous prime is 64263461777. The next prime is 64263461809. The reversal of 64263461802 is 20816436246.

It is a super-2 number, since 2×64263461802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64263461809) 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, 2980902 + ... + 3002382.

It is an arithmetic number, because the mean of its divisors is an integer number (4038637482).

Almost surely, 2^64263461802 is an apocalyptic number.

64263461802 is an abundant number, since it is smaller than the sum of its proper divisors (64972937622).

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

64263461802 is a wasteful number, since it uses less digits than its factorization.

64263461802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 64263461802 in words is "sixty-four billion, two hundred sixty-three million, four hundred sixty-one thousand, eight hundred two".