7990498229951 has 16 divisors (see below), whose sum is σ = 8183007828000. Its totient is φ = 7799923980288.

The previous prime is 7990498229881. The next prime is 7990498230023. The reversal of 7990498229951 is 1599228940997.

It is a cyclic number.

It is not a de Polignac number, because 7990498229951 - 2¹⁰ = 7990498228927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990498129951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28492751 + ... + 28771823.

It is an arithmetic number, because the mean of its divisors is an integer number (511437989250).

Almost surely, 2^{7990498229951} is an apocalyptic number.

7990498229951 is a deficient number, since it is larger than the sum of its proper divisors (192509598049).

7990498229951 is a wasteful number, since it uses less digits than its factorization.

7990498229951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282538.

The product of its (nonzero) digits is 264539520, while the sum is 74.

The spelling of 7990498229951 in words is "seven trillion, nine hundred ninety billion, four hundred ninety-eight million, two hundred twenty-nine thousand, nine hundred fifty-one".