10021624436 has 6 divisors (see below), whose sum is σ = 17537842770. Its totient is φ = 5010812216.

The previous prime is 10021624427. The next prime is 10021624439. The reversal of 10021624436 is 63442612001.

It can be written as a sum of positive squares in only one way, i.e., 6848555536 + 3173068900 = 82756^2 + 56330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021624399 and 10021624408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021624439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252703051 + ... + 1252703058.

It is an arithmetic number, because the mean of its divisors is an integer number (2922973795).

Almost surely, 2^10021624436 is an apocalyptic number.

It is an amenable number.

10021624436 is a deficient number, since it is larger than the sum of its proper divisors (7516218334).

10021624436 is a wasteful number, since it uses less digits than its factorization.

10021624436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505406113 (or 2505406111 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 10021624436 in words is "ten billion, twenty-one million, six hundred twenty-four thousand, four hundred thirty-six".