642380058311 has 4 divisors (see below), whose sum is σ = 642386514000. Its totient is φ = 642373602624.

The previous prime is 642380058293. The next prime is 642380058337. The reversal of 642380058311 is 113850083246.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 642380058311 - 2²² = 642375864007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642380058361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3076211 + ... + 3278388.

It is an arithmetic number, because the mean of its divisors is an integer number (160596628500).

Almost surely, 2^642380058311 is an apocalyptic number.

642380058311 is a deficient number, since it is larger than the sum of its proper divisors (6455689).

642380058311 is a wasteful number, since it uses less digits than its factorization.

642380058311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6455688.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 642380058311 in words is "six hundred forty-two billion, three hundred eighty million, fifty-eight thousand, three hundred eleven".