7426625714221 has 16 divisors (see below), whose sum is σ = 8599365258624. Its totient is φ = 6282206244864.

The previous prime is 7426625714047. The next prime is 7426625714239. The reversal of 7426625714221 is 1224175266247.

It is a cyclic number.

It is not a de Polignac number, because 7426625714221 - 2²³ = 7426617325613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7426625774221) 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, 15252655 + ... + 15732028.

It is an arithmetic number, because the mean of its divisors is an integer number (537460328664).

Almost surely, 2^{7426625714221} is an apocalyptic number.

It is an amenable number.

7426625714221 is a deficient number, since it is larger than the sum of its proper divisors (1172739544403).

7426625714221 is a wasteful number, since it uses less digits than its factorization.

7426625714221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30985140.

The product of its digits is 2257920, while the sum is 49.

The spelling of 7426625714221 in words is "seven trillion, four hundred twenty-six billion, six hundred twenty-five million, seven hundred fourteen thousand, two hundred twenty-one".