9999872745692 has 12 divisors (see below), whose sum is σ = 17503539921336. Its totient is φ = 4998861339600.

The previous prime is 9999872745661. The next prime is 9999872745743. The reversal of 9999872745692 is 2965472789999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268737383 + ... + 268774590.

It is an arithmetic number, because the mean of its divisors is an integer number (1458628326778).

Almost surely, 2^{9999872745692} is an apocalyptic number.

It is an amenable number.

9999872745692 is a deficient number, since it is larger than the sum of its proper divisors (7503667175644).

9999872745692 is a wasteful number, since it uses less digits than its factorization.

9999872745692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537516628 (or 537516626 counting only the distinct ones).

The product of its digits is 11110659840, while the sum is 86.

The spelling of 9999872745692 in words is "nine trillion, nine hundred ninety-nine billion, eight hundred seventy-two million, seven hundred forty-five thousand, six hundred ninety-two".