9991354029254 has 16 divisors (see below), whose sum is σ = 16176644705760. Its totient is φ = 4600889847360.

The previous prime is 9991354029233. The next prime is 9991354029289. The reversal of 9991354029254 is 4529204531999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437668367 + ... + 437691194.

It is an arithmetic number, because the mean of its divisors is an integer number (1011040294110).

Almost surely, 2^{9991354029254} is an apocalyptic number.

9991354029254 is a deficient number, since it is larger than the sum of its proper divisors (6185290676506).

9991354029254 is a wasteful number, since it uses less digits than its factorization.

9991354029254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875360015.

The product of its (nonzero) digits is 31492800, while the sum is 62.

The spelling of 9991354029254 in words is "nine trillion, nine hundred ninety-one billion, three hundred fifty-four million, twenty-nine thousand, two hundred fifty-four".