7421717652436 has 12 divisors (see below), whose sum is σ = 12988579801428. Its totient is φ = 3710694852032.

The previous prime is 7421717652409. The next prime is 7421717652473. The reversal of 7421717652436 is 6342567171247.

It can be written as a sum of positive squares in 2 ways, for example, as 2956356992836 + 4465360659600 = 1719406^2 + 2113140^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40891681 + ... + 41072776.

It is an arithmetic number, because the mean of its divisors is an integer number (1082381650119).

Almost surely, 2^{7421717652436} is an apocalyptic number.

It is an amenable number.

7421717652436 is a deficient number, since it is larger than the sum of its proper divisors (5566862148992).

7421717652436 is a wasteful number, since it uses less digits than its factorization.

7421717652436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81987098 (or 81987096 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 55.

The spelling of 7421717652436 in words is "seven trillion, four hundred twenty-one billion, seven hundred seventeen million, six hundred fifty-two thousand, four hundred thirty-six".