42292919 has 2 divisors, whose sum is σ = 42292920. Its totient is φ = 42292918.

The previous prime is 42292909. The next prime is 42292937. The reversal of 42292919 is 91929224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42292919 is a prime.

It is a super-2 number, since 2×42292919² = 3577381995081122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42292909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21146459 + 21146460.

It is an arithmetic number, because the mean of its divisors is an integer number (21146460).

Almost surely, 2^42292919 is an apocalyptic number.

42292919 is a deficient number, since it is larger than the sum of its proper divisors (1).

42292919 is an equidigital number, since it uses as much as digits as its factorization.

42292919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 42292919 is about 6503.3006235296. The cubic root of 42292919 is about 348.4088837955.

The spelling of 42292919 in words is "forty-two million, two hundred ninety-two thousand, nine hundred nineteen".