9490429937989 has 32 divisors (see below), whose sum is σ = 12744624243456. Its totient is φ = 6825089272320.

The previous prime is 9490429937981. The next prime is 9490429938049. The reversal of 9490429937989 is 9897399240949.

It is a happy number.

It is not a de Polignac number, because 9490429937989 - 2³ = 9490429937981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9490429937981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4916439 + ... + 6569035.

It is an arithmetic number, because the mean of its divisors is an integer number (398269507608).

Almost surely, 2^{9490429937989} is an apocalyptic number.

It is an amenable number.

9490429937989 is a deficient number, since it is larger than the sum of its proper divisors (3254194305467).

9490429937989 is a wasteful number, since it uses less digits than its factorization.

9490429937989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658365.

The product of its (nonzero) digits is 2857026816, while the sum is 82.

The spelling of 9490429937989 in words is "nine trillion, four hundred ninety billion, four hundred twenty-nine million, nine hundred thirty-seven thousand, nine hundred eighty-nine".