7662942430989 has 32 divisors (see below), whose sum is σ = 10684751523840. Its totient is φ = 4875854461632.

The previous prime is 7662942430981. The next prime is 7662942431029. The reversal of 7662942430989 is 9890342492667.

It is not a de Polignac number, because 7662942430989 - 2³ = 7662942430981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7662942430981) 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 in 31 ways as a sum of consecutive naturals, for example, 181449094 + ... + 181491320.

It is an arithmetic number, because the mean of its divisors is an integer number (333898485120).

Almost surely, 2^{7662942430989} is an apocalyptic number.

It is an amenable number.

7662942430989 is a deficient number, since it is larger than the sum of its proper divisors (3021809092851).

7662942430989 is a wasteful number, since it uses less digits than its factorization.

7662942430989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47929.

The product of its (nonzero) digits is 282175488, while the sum is 69.

The spelling of 7662942430989 in words is "seven trillion, six hundred sixty-two billion, nine hundred forty-two million, four hundred thirty thousand, nine hundred eighty-nine".