2154742041 has 8 divisors (see below), whose sum is σ = 2882228544. Its totient is φ = 1431875120.

The previous prime is 2154742039. The next prime is 2154742067. The reversal of 2154742041 is 1402474512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2154742041 - 2¹ = 2154742039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154740041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153806 + ... + 1155671.

It is an arithmetic number, because the mean of its divisors is an integer number (360278568).

Almost surely, 2^2154742041 is an apocalyptic number.

It is an amenable number.

2154742041 is a deficient number, since it is larger than the sum of its proper divisors (727486503).

2154742041 is a wasteful number, since it uses less digits than its factorization.

2154742041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309791.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2154742041 is about 46419.1990559941. The cubic root of 2154742041 is about 1291.6110794494.

The spelling of 2154742041 in words is "two billion, one hundred fifty-four million, seven hundred forty-two thousand, forty-one".