4542347672501 has 4 divisors (see below), whose sum is σ = 4572833227500. Its totient is φ = 4511862117504.

The previous prime is 4542347672497. The next prime is 4542347672557. The reversal of 4542347672501 is 1052767432454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1500110544100 + 3042237128401 = 1224790^2 + 1744201^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542347672501 - 2² = 4542347672497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542347672501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542347672201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15242777276 + ... + 15242777573.

It is an arithmetic number, because the mean of its divisors is an integer number (1143208306875).

Almost surely, 2^{4542347672501} is an apocalyptic number.

It is an amenable number.

4542347672501 is a deficient number, since it is larger than the sum of its proper divisors (30485554999).

4542347672501 is a wasteful number, since it uses less digits than its factorization.

4542347672501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30485554998.

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 4542347672501 in words is "four trillion, five hundred forty-two billion, three hundred forty-seven million, six hundred seventy-two thousand, five hundred one".