7236981273621 has 32 divisors (see below), whose sum is σ = 10784624772096. Its totient is φ = 4278531888000.

The previous prime is 7236981273619. The next prime is 7236981273667. The reversal of 7236981273621 is 1263721896327.

It is not a de Polignac number, because 7236981273621 - 2¹ = 7236981273619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7236981273611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10505040 + ... + 11172726.

It is an arithmetic number, because the mean of its divisors is an integer number (337019524128).

Almost surely, 2^{7236981273621} is an apocalyptic number.

It is an amenable number.

7236981273621 is a deficient number, since it is larger than the sum of its proper divisors (3547643498475).

7236981273621 is a wasteful number, since it uses less digits than its factorization.

7236981273621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675753.

The product of its digits is 9144576, while the sum is 57.

The spelling of 7236981273621 in words is "seven trillion, two hundred thirty-six billion, nine hundred eighty-one million, two hundred seventy-three thousand, six hundred twenty-one".