42929963 has 2 divisors, whose sum is σ = 42929964. Its totient is φ = 42929962.

The previous prime is 42929933. The next prime is 42929989. The reversal of 42929963 is 36992924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42929963 - 2¹⁸ = 42667819 is a prime.

It is not a weakly prime, because it can be changed into another prime (42929903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21464981 + 21464982.

It is an arithmetic number, because the mean of its divisors is an integer number (21464982).

Almost surely, 2^42929963 is an apocalyptic number.

42929963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42929963 is an equidigital number, since it uses as much as digits as its factorization.

42929963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 42929963 is about 6552.0960768292. The cubic root of 42929963 is about 350.1494953207.

The spelling of 42929963 in words is "forty-two million, nine hundred twenty-nine thousand, nine hundred sixty-three".