9931029494 has 4 divisors (see below), whose sum is σ = 14896544244. Its totient is φ = 4965514746.

The previous prime is 9931029473. The next prime is 9931029503. The reversal of 9931029494 is 4949201399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4949201399 = 57131 ⋅86629.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2482757372 + ... + 2482757375.

It is an arithmetic number, because the mean of its divisors is an integer number (3724136061).

Almost surely, 2^9931029494 is an apocalyptic number.

9931029494 is a deficient number, since it is larger than the sum of its proper divisors (4965514750).

9931029494 is a wasteful number, since it uses less digits than its factorization.

9931029494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4965514749.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 9931029494 is about 99654.5507942312. The cubic root of 9931029494 is about 2149.4701772890.

The spelling of 9931029494 in words is "nine billion, nine hundred thirty-one million, twenty-nine thousand, four hundred ninety-four".