42345427641 has 32 divisors (see below), whose sum is σ = 63162857472. Its totient is φ = 25012532160.

The previous prime is 42345427639. The next prime is 42345427643. The reversal of 42345427641 is 14672454324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42345427639) and next prime (42345427643).

It is not a de Polignac number, because 42345427641 - 2¹ = 42345427639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42345427593 and 42345427602.

It is not an unprimeable number, because it can be changed into a prime (42345427643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624771 + ... + 689223.

It is an arithmetic number, because the mean of its divisors is an integer number (1973839296).

Almost surely, 2^42345427641 is an apocalyptic number.

It is an amenable number.

42345427641 is a deficient number, since it is larger than the sum of its proper divisors (20817429831).

42345427641 is a wasteful number, since it uses less digits than its factorization.

42345427641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64973.

The product of its digits is 645120, while the sum is 42.

The spelling of 42345427641 in words is "forty-two billion, three hundred forty-five million, four hundred twenty-seven thousand, six hundred forty-one".