62121476644 has 12 divisors (see below), whose sum is σ = 108750602268. Its totient is φ = 31049876000.

The previous prime is 62121476621. The next prime is 62121476689. The reversal of 62121476644 is 44667412126.

It can be written as a sum of positive squares in 2 ways, for example, as 12798396900 + 49323079744 = 113130^2 + 222088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 62121476644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702707 + ... + 2725594.

It is an arithmetic number, because the mean of its divisors is an integer number (9062550189).

Almost surely, 2^62121476644 is an apocalyptic number.

It is an amenable number.

62121476644 is a deficient number, since it is larger than the sum of its proper divisors (46629125624).

62121476644 is a wasteful number, since it uses less digits than its factorization.

62121476644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5431166 (or 5431164 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The spelling of 62121476644 in words is "sixty-two billion, one hundred twenty-one million, four hundred seventy-six thousand, six hundred forty-four".