22649099437493 has 2 divisors, whose sum is σ = 22649099437494. Its totient is φ = 22649099437492.

The previous prime is 22649099437441. The next prime is 22649099437507. The reversal of 22649099437493 is 39473499094622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22371452643409 + 277646794084 = 4729847^2 + 526922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22649099437493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22649099431493) 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 as a sum of consecutive naturals, namely, 11324549718746 + 11324549718747.

It is an arithmetic number, because the mean of its divisors is an integer number (11324549718747).

Almost surely, 2^{22649099437493} is an apocalyptic number.

It is an amenable number.

22649099437493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22649099437493 is an equidigital number, since it uses as much as digits as its factorization.

22649099437493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 634894848, while the sum is 71.

The spelling of 22649099437493 in words is "twenty-two trillion, six hundred forty-nine billion, ninety-nine million, four hundred thirty-seven thousand, four hundred ninety-three".