7642626120899 has 96 divisors (see below), whose sum is σ = 10440569696256. Its totient is φ = 5517483713280.

The previous prime is 7642626120859. The next prime is 7642626120929. The reversal of 7642626120899 is 9980216262467.

It is a Cunningham number, because it is equal to 2764530²-1.

It is not a de Polignac number, because 7642626120899 - 2¹² = 7642626116803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7642626120859) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102250289 + ... + 102325005.

It is an arithmetic number, because the mean of its divisors is an integer number (108755934336).

Almost surely, 2^{7642626120899} is an apocalyptic number.

7642626120899 is a deficient number, since it is larger than the sum of its proper divisors (2797943575357).

7642626120899 is a wasteful number, since it uses less digits than its factorization.

7642626120899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75025 (or 75018 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 7642626120899 in words is "seven trillion, six hundred forty-two billion, six hundred twenty-six million, one hundred twenty thousand, eight hundred ninety-nine".