642382035 has 16 divisors (see below), whose sum is σ = 1030682880. Its totient is φ = 341646560.

The previous prime is 642382021. The next prime is 642382067. The reversal of 642382035 is 530283246.

It is a happy number.

It is not a de Polignac number, because 642382035 - 2¹⁰ = 642381011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 642381987 and 642382005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54261 + ... + 65030.

It is an arithmetic number, because the mean of its divisors is an integer number (64417680).

Almost surely, 2^642382035 is an apocalyptic number.

642382035 is a deficient number, since it is larger than the sum of its proper divisors (388300845).

642382035 is a wasteful number, since it uses less digits than its factorization.

642382035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119658.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 642382035 is about 25345.2566568185. The cubic root of 642382035 is about 862.8417062345.

The spelling of 642382035 in words is "six hundred forty-two million, three hundred eighty-two thousand, thirty-five".