62643893347 has 24 divisors (see below), whose sum is σ = 75616561152. Its totient is φ = 51707250000.

The previous prime is 62643893341. The next prime is 62643893369. The reversal of 62643893347 is 74339834626.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-62643893347 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62643893341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59779 + ... + 358972.

It is an arithmetic number, because the mean of its divisors is an integer number (3150690048).

Almost surely, 2^62643893347 is an apocalyptic number.

62643893347 is a deficient number, since it is larger than the sum of its proper divisors (12972667805).

62643893347 is a wasteful number, since it uses less digits than its factorization.

62643893347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418879 (or 418872 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 55.

The spelling of 62643893347 in words is "sixty-two billion, six hundred forty-three million, eight hundred ninety-three thousand, three hundred forty-seven".