642062411 has 8 divisors (see below), whose sum is σ = 670291200. Its totient is φ = 613859752.

The previous prime is 642062401. The next prime is 642062417. The reversal of 642062411 is 114260246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-642062411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (642062417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56906 + ... + 67248.

It is an arithmetic number, because the mean of its divisors is an integer number (83786400).

Almost surely, 2^642062411 is an apocalyptic number.

642062411 is a deficient number, since it is larger than the sum of its proper divisors (28228789).

642062411 is a wasteful number, since it uses less digits than its factorization.

642062411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13065.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 642062411 is about 25338.9504715566. The cubic root of 642062411 is about 862.6985771436.

The spelling of 642062411 in words is "six hundred forty-two million, sixty-two thousand, four hundred eleven".