42719477850729 has 24 divisors (see below), whose sum is σ = 65584209479360. Its totient is φ = 26718774076512.

The previous prime is 42719477850703. The next prime is 42719477850739. The reversal of 42719477850729 is 92705877491724.

42719477850729 is a `hidden beast` number, since 4 + 2 + 7 + 1 + 9 + 47 + 78 + 507 + 2 + 9 = 666.

It is not a de Polignac number, because 42719477850729 - 2¹³ = 42719477842537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42719477850739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212708154 + ... + 1212743379.

Almost surely, 2^{42719477850729} is an apocalyptic number.

It is an amenable number.

42719477850729 is a deficient number, since it is larger than the sum of its proper divisors (22864731628631).

42719477850729 is a wasteful number, since it uses less digits than its factorization.

42719477850729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425451661 (or 2425451658 counting only the distinct ones).

The product of its (nonzero) digits is 497871360, while the sum is 72.

The spelling of 42719477850729 in words is "forty-two trillion, seven hundred nineteen billion, four hundred seventy-seven million, eight hundred fifty thousand, seven hundred twenty-nine".