7720103253413 has 16 divisors (see below), whose sum is σ = 8254257613056. Its totient is φ = 7194852629760.

The previous prime is 7720103253403. The next prime is 7720103253449. The reversal of 7720103253413 is 3143523010277.

It is a happy number.

It is not a de Polignac number, because 7720103253413 - 2⁸ = 7720103253157 is a prime.

It is a super-2 number, since 2×7720103253413² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7720103253403) 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 in 15 ways as a sum of consecutive naturals, for example, 22224695 + ... + 22569387.

It is an arithmetic number, because the mean of its divisors is an integer number (515891100816).

Almost surely, 2^{7720103253413} is an apocalyptic number.

It is an amenable number.

7720103253413 is a deficient number, since it is larger than the sum of its proper divisors (534154359643).

7720103253413 is a wasteful number, since it uses less digits than its factorization.

7720103253413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357604.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 7720103253413 in words is "seven trillion, seven hundred twenty billion, one hundred three million, two hundred fifty-three thousand, four hundred thirteen".