42719361421 has 8 divisors (see below), whose sum is σ = 49344289344. Its totient is φ = 36551325120.

The previous prime is 42719361367. The next prime is 42719361431. The reversal of 42719361421 is 12416391724.

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 42719361421 - 2¹⁵ = 42719328653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42719361431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114222705 + ... + 114223078.

It is an arithmetic number, because the mean of its divisors is an integer number (6168036168).

Almost surely, 2^42719361421 is an apocalyptic number.

It is an amenable number.

42719361421 is a deficient number, since it is larger than the sum of its proper divisors (6624927923).

42719361421 is a wasteful number, since it uses less digits than its factorization.

42719361421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228445811.

The product of its digits is 72576, while the sum is 40.

The spelling of 42719361421 in words is "forty-two billion, seven hundred nineteen million, three hundred sixty-one thousand, four hundred twenty-one".