2042632091 has 2 divisors, whose sum is σ = 2042632092. Its totient is φ = 2042632090.

The previous prime is 2042632087. The next prime is 2042632171. The reversal of 2042632091 is 1902362402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2042632091 - 2² = 2042632087 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042632021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021316045 + 1021316046.

It is an arithmetic number, because the mean of its divisors is an integer number (1021316046).

Almost surely, 2^2042632091 is an apocalyptic number.

2042632091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042632091 is an equidigital number, since it uses as much as digits as its factorization.

2042632091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 2042632091 is about 45195.4875070510. The cubic root of 2042632091 is about 1268.8103624173.

Adding to 2042632091 its reverse (1902362402), we get a palindrome (3944994493).

The spelling of 2042632091 in words is "two billion, forty-two million, six hundred thirty-two thousand, ninety-one".