662429942 has 4 divisors (see below), whose sum is σ = 993644916. Its totient is φ = 331214970.

The previous prime is 662429941. The next prime is 662429947. The reversal of 662429942 is 249924266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249924266 = 2 ⋅124962133.

It is a junction number, because it is equal to n+sod(n) for n = 662429893 and 662429902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662429941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165607484 + ... + 165607487.

It is an arithmetic number, because the mean of its divisors is an integer number (248411229).

Almost surely, 2^662429942 is an apocalyptic number.

662429942 is a deficient number, since it is larger than the sum of its proper divisors (331214974).

662429942 is a wasteful number, since it uses less digits than its factorization.

662429942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331214973.

The product of its digits is 373248, while the sum is 44.

The square root of 662429942 is about 25737.7143895879. The cubic root of 662429942 is about 871.7259707287.

The spelling of 662429942 in words is "six hundred sixty-two million, four hundred twenty-nine thousand, nine hundred forty-two".