2042100457 has 8 divisors (see below), whose sum is σ = 2062501056. Its totient is φ = 2021724432.

The previous prime is 2042100421. The next prime is 2042100481. The reversal of 2042100457 is 7540012402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2042100457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042100157) 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, 192463 + ... + 202795.

It is an arithmetic number, because the mean of its divisors is an integer number (257812632).

Almost surely, 2^2042100457 is an apocalyptic number.

It is an amenable number.

2042100457 is a deficient number, since it is larger than the sum of its proper divisors (20400599).

2042100457 is a wasteful number, since it uses less digits than its factorization.

2042100457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2042100457 is about 45189.6056300561. The cubic root of 2042100457 is about 1268.7002754922.

Adding to 2042100457 its reverse (7540012402), we get a palindrome (9582112859).

The spelling of 2042100457 in words is "two billion, forty-two million, one hundred thousand, four hundred fifty-seven".