42719121461 has 8 divisors (see below), whose sum is σ = 44578750464. Its totient is φ = 40859682160.

The previous prime is 42719121433. The next prime is 42719121479. The reversal of 42719121461 is 16412191724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42719121461 - 2²⁶ = 42652012597 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 (42719121661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602291 + ... + 669471.

It is an arithmetic number, because the mean of its divisors is an integer number (5572343808).

Almost surely, 2^42719121461 is an apocalyptic number.

It is an amenable number.

42719121461 is a deficient number, since it is larger than the sum of its proper divisors (1859629003).

42719121461 is a wasteful number, since it uses less digits than its factorization.

42719121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94851.

The product of its digits is 24192, while the sum is 38.

The spelling of 42719121461 in words is "forty-two billion, seven hundred nineteen million, one hundred twenty-one thousand, four hundred sixty-one".