643314213514112 has 48 divisors (see below), whose sum is σ = 1490843764910520. Its totient is φ = 275706091503360.

The previous prime is 643314213514103. The next prime is 643314213514121. The reversal of 643314213514112 is 211415312413346.

It is an interprime number because it is at equal distance from previous prime (643314213514103) and next prime (643314213514121).

It is a super-2 number, since 2×643314213514112² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 643314213514112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51284608964 + ... + 51284621507.

Almost surely, 2^{643314213514112} is an apocalyptic number.

It is an amenable number.

643314213514112 is an abundant number, since it is smaller than the sum of its proper divisors (847529551396408).

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

643314213514112 is a wasteful number, since it uses less digits than its factorization.

643314213514112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102569230499 (or 102569230480 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

Adding to 643314213514112 its reverse (211415312413346), we get a palindrome (854729525927458).

The spelling of 643314213514112 in words is "six hundred forty-three trillion, three hundred fourteen billion, two hundred thirteen million, five hundred fourteen thousand, one hundred twelve".