42707645519 has 32 divisors (see below), whose sum is σ = 55882497024. Its totient is φ = 31647559680.

The previous prime is 42707645507. The next prime is 42707645573. The reversal of 42707645519 is 91554670724.

It is a happy number.

It is not a de Polignac number, because 42707645519 - 2¹⁶ = 42707579983 is a prime.

It is a super-2 number, since 2×42707645519² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707645119) 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, 236687 + ... + 376079.

It is an arithmetic number, because the mean of its divisors is an integer number (1746328032).

Almost surely, 2^42707645519 is an apocalyptic number.

42707645519 is a deficient number, since it is larger than the sum of its proper divisors (13174851505).

42707645519 is a wasteful number, since it uses less digits than its factorization.

42707645519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139607.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 42707645519 in words is "forty-two billion, seven hundred seven million, six hundred forty-five thousand, five hundred nineteen".