742453354247 has 4 divisors (see below), whose sum is σ = 809949113736. Its totient is φ = 674957594760.

The previous prime is 742453354207. The next prime is 742453354261.

742453354247 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742453354247 - 2¹⁰ = 742453353223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 742453354195 and 742453354204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742453354207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33747879728 + ... + 33747879749.

It is an arithmetic number, because the mean of its divisors is an integer number (202487278434).

Almost surely, 2^742453354247 is an apocalyptic number.

742453354247 is a deficient number, since it is larger than the sum of its proper divisors (67495759489).

742453354247 is a wasteful number, since it uses less digits than its factorization.

742453354247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67495759488.

The product of its digits is 11289600, while the sum is 50.

The spelling of 742453354247 in words is "seven hundred forty-two billion, four hundred fifty-three million, three hundred fifty-four thousand, two hundred forty-seven".