621302054036 has 6 divisors (see below), whose sum is σ = 1087278594570. Its totient is φ = 310651027016.

The previous prime is 621302054017. The next prime is 621302054039. The reversal of 621302054036 is 630450203126.

It can be written as a sum of positive squares in only one way, i.e., 603464848900 + 17837205136 = 776830^2 + 133556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 621302053993 and 621302054011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621302054039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77662756751 + ... + 77662756758.

It is an arithmetic number, because the mean of its divisors is an integer number (181213099095).

Almost surely, 2^621302054036 is an apocalyptic number.

It is an amenable number.

621302054036 is a deficient number, since it is larger than the sum of its proper divisors (465976540534).

621302054036 is a wasteful number, since it uses less digits than its factorization.

621302054036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155325513513 (or 155325513511 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 621302054036 in words is "six hundred twenty-one billion, three hundred two million, fifty-four thousand, thirty-six".