1888149041 has 4 divisors (see below), whose sum is σ = 1889374272. Its totient is φ = 1886923812.

The previous prime is 1888149037. The next prime is 1888149077. The reversal of 1888149041 is 1409418881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1888149041 - 2² = 1888149037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1888148983 and 1888149001.

It is not an unprimeable number, because it can be changed into a prime (1888149541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610301 + ... + 613386.

It is an arithmetic number, because the mean of its divisors is an integer number (472343568).

Almost surely, 2^1888149041 is an apocalyptic number.

It is an amenable number.

1888149041 is a deficient number, since it is larger than the sum of its proper divisors (1225231).

1888149041 is a wasteful number, since it uses less digits than its factorization.

1888149041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225230.

The product of its (nonzero) digits is 73728, while the sum is 44.

The square root of 1888149041 is about 43452.8369729757. The cubic root of 1888149041 is about 1235.9818427614.

The spelling of 1888149041 in words is "one billion, eight hundred eighty-eight million, one hundred forty-nine thousand, forty-one".