42694363 has 2 divisors, whose sum is σ = 42694364. Its totient is φ = 42694362.

The previous prime is 42694357. The next prime is 42694367. The reversal of 42694363 is 36349624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42694363 is a prime.

It is not a weakly prime, because it can be changed into another prime (42694367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21347181 + 21347182.

It is an arithmetic number, because the mean of its divisors is an integer number (21347182).

Almost surely, 2^42694363 is an apocalyptic number.

42694363 is a deficient number, since it is larger than the sum of its proper divisors (1).

42694363 is an equidigital number, since it uses as much as digits as its factorization.

42694363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 37.

The square root of 42694363 is about 6534.0923623714. The cubic root of 42694363 is about 349.5077788395.

The spelling of 42694363 in words is "forty-two million, six hundred ninety-four thousand, three hundred sixty-three".