6445362012 has 48 divisors (see below), whose sum is σ = 15507676800. Its totient is φ = 2082503488.

The previous prime is 6445361999. The next prime is 6445362089. The reversal of 6445362012 is 2102635446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8262 + ... + 113837.

It is an arithmetic number, because the mean of its divisors is an integer number (323076600).

Almost surely, 2^6445362012 is an apocalyptic number.

It is an amenable number.

6445362012 is an abundant number, since it is smaller than the sum of its proper divisors (9062314788).

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

6445362012 is a wasteful number, since it uses less digits than its factorization.

6445362012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122242 (or 122240 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6445362012 is about 80283.0119763826. The cubic root of 6445362012 is about 1861.0117065128.

Adding to 6445362012 its reverse (2102635446), we get a palindrome (8547997458).

The spelling of 6445362012 in words is "six billion, four hundred forty-five million, three hundred sixty-two thousand, twelve".