642463342030 has 16 divisors (see below), whose sum is σ = 1158931721664. Its totient is φ = 256430291040.

The previous prime is 642463342007. The next prime is 642463342039. The reversal of 642463342030 is 30243364246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642463342039) 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, 69375861 + ... + 69385120.

It is an arithmetic number, because the mean of its divisors is an integer number (72433232604).

Almost surely, 2^642463342030 is an apocalyptic number.

642463342030 is a deficient number, since it is larger than the sum of its proper divisors (516468379634).

642463342030 is a wasteful number, since it uses less digits than its factorization.

642463342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138761451.

The product of its (nonzero) digits is 248832, while the sum is 37.

The spelling of 642463342030 in words is "six hundred forty-two billion, four hundred sixty-three million, three hundred forty-two thousand, thirty".