42477661719 has 12 divisors (see below), whose sum is σ = 61362729792. Its totient is φ = 28315622400.

The previous prime is 42477661703. The next prime is 42477661763. The reversal of 42477661719 is 91716677424.

It is a happy number.

42477661719 is a `hidden beast` number, since 4 + 2 + 4 + 7 + 7 + 6 + 617 + 19 = 666.

It is not a de Polignac number, because 42477661719 - 2⁴ = 42477661703 is a prime.

It is a super-2 number, since 2×42477661719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42477661769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137322 + ... + 322199.

It is an arithmetic number, because the mean of its divisors is an integer number (5113560816).

Almost surely, 2^42477661719 is an apocalyptic number.

42477661719 is a deficient number, since it is larger than the sum of its proper divisors (18885068073).

42477661719 is a wasteful number, since it uses less digits than its factorization.

42477661719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469798 (or 469795 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The spelling of 42477661719 in words is "forty-two billion, four hundred seventy-seven million, six hundred sixty-one thousand, seven hundred nineteen".