9049742890 has 16 divisors (see below), whose sum is σ = 16815006720. Its totient is φ = 3503126160.

The previous prime is 9049742881. The next prime is 9049742941. The reversal of 9049742890 is 982479409.

It is a happy 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, 14596050 + ... + 14596669.

It is an arithmetic number, because the mean of its divisors is an integer number (1050937920).

Almost surely, 2^9049742890 is an apocalyptic number.

9049742890 is a deficient number, since it is larger than the sum of its proper divisors (7765263830).

9049742890 is a wasteful number, since it uses less digits than its factorization.

9049742890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29192757.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 9049742890 is about 95130.1366024458. The cubic root of 9049742890 is about 2083.9089837670.

The spelling of 9049742890 in words is "nine billion, forty-nine million, seven hundred forty-two thousand, eight hundred ninety".