1742344216455 has 8 divisors (see below), whose sum is σ = 2787750746352. Its totient is φ = 929250248768.

The previous prime is 1742344216429. The next prime is 1742344216493. The reversal of 1742344216455 is 5546124432471.

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 1742344216455 - 2⁹ = 1742344215943 is a prime.

It is a super-2 number, since 2×1742344216455² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58078140534 + ... + 58078140563.

It is an arithmetic number, because the mean of its divisors is an integer number (348468843294).

Almost surely, 2^{1742344216455} is an apocalyptic number.

1742344216455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1742344216455 is a deficient number, since it is larger than the sum of its proper divisors (1045406529897).

1742344216455 is a wasteful number, since it uses less digits than its factorization.

1742344216455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116156281105.

The product of its digits is 3225600, while the sum is 48.

The spelling of 1742344216455 in words is "one trillion, seven hundred forty-two billion, three hundred forty-four million, two hundred sixteen thousand, four hundred fifty-five".