642013473101 has 16 divisors (see below), whose sum is σ = 862004105088. Its totient is φ = 461787912000.

The previous prime is 642013473097. The next prime is 642013473107. The reversal of 642013473101 is 101374310246.

It is a cyclic number.

It is not a de Polignac number, because 642013473101 - 2² = 642013473097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642013473107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320685050 + ... + 320687051.

It is an arithmetic number, because the mean of its divisors is an integer number (53875256568).

Almost surely, 2^642013473101 is an apocalyptic number.

It is an amenable number.

642013473101 is a deficient number, since it is larger than the sum of its proper divisors (219990631987).

642013473101 is a wasteful number, since it uses less digits than its factorization.

642013473101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641372132.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 642013473101 its reverse (101374310246), we get a palindrome (743387783347).

The spelling of 642013473101 in words is "six hundred forty-two billion, thirteen million, four hundred seventy-three thousand, one hundred one".