9994926506 has 16 divisors (see below), whose sum is σ = 15909393600. Its totient is φ = 4699160928.

The previous prime is 9994926377. The next prime is 9994926527. The reversal of 9994926506 is 6056294999.

It is a Harshad number since it is a multiple of its sum of digits (59).

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, 1838651 + ... + 1844078.

It is an arithmetic number, because the mean of its divisors is an integer number (994337100).

Almost surely, 2^9994926506 is an apocalyptic number.

9994926506 is a deficient number, since it is larger than the sum of its proper divisors (5914467094).

9994926506 is a wasteful number, since it uses less digits than its factorization.

9994926506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682813.

The product of its (nonzero) digits is 9447840, while the sum is 59.

The square root of 9994926506 is about 99974.6293116409. The cubic root of 9994926506 is about 2154.0702780144.

The spelling of 9994926506 in words is "nine billion, nine hundred ninety-four million, nine hundred twenty-six thousand, five hundred six".