42347615555 has 8 divisors (see below), whose sum is σ = 58076729952. Its totient is φ = 29038364928.

The previous prime is 42347615551. The next prime is 42347615599. The reversal of 42347615555 is 55551674324.

42347615555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42347615555 - 2² = 42347615551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42347615551) 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, 604965902 + ... + 604965971.

It is an arithmetic number, because the mean of its divisors is an integer number (7259591244).

Almost surely, 2^42347615555 is an apocalyptic number.

42347615555 is a deficient number, since it is larger than the sum of its proper divisors (15729114397).

42347615555 is a wasteful number, since it uses less digits than its factorization.

42347615555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209931885.

The product of its digits is 2520000, while the sum is 47.

The spelling of 42347615555 in words is "forty-two billion, three hundred forty-seven million, six hundred fifteen thousand, five hundred fifty-five".