1850272149 has 16 divisors (see below), whose sum is σ = 2756948544. Its totient is φ = 1094025600.

The previous prime is 1850272147. The next prime is 1850272157. The reversal of 1850272149 is 9412720581.

It is not a de Polignac number, because 1850272149 - 2¹ = 1850272147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850272147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682414 + ... + 685119.

It is an arithmetic number, because the mean of its divisors is an integer number (172309284).

Almost surely, 2^1850272149 is an apocalyptic number.

It is an amenable number.

1850272149 is a deficient number, since it is larger than the sum of its proper divisors (906676395).

1850272149 is a wasteful number, since it uses less digits than its factorization.

1850272149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367588.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1850272149 is about 43014.7898867355. The cubic root of 1850272149 is about 1227.6612197076.

The spelling of 1850272149 in words is "one billion, eight hundred fifty million, two hundred seventy-two thousand, one hundred forty-nine".