3745550555473 has 4 divisors (see below), whose sum is σ = 3908400579648. Its totient is φ = 3582700531300.

The previous prime is 3745550555443. The next prime is 3745550555489.

3745550555473 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3745550555473 - 2²⁹ = 3745013684561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745550555443) 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 3 ways as a sum of consecutive naturals, for example, 81425012053 + ... + 81425012098.

It is an arithmetic number, because the mean of its divisors is an integer number (977100144912).

Almost surely, 2^{3745550555473} is an apocalyptic number.

It is an amenable number.

3745550555473 is a deficient number, since it is larger than the sum of its proper divisors (162850024175).

3745550555473 is a wasteful number, since it uses less digits than its factorization.

3745550555473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162850024174.

The product of its (nonzero) digits is 110250000, while the sum is 58.

The spelling of 3745550555473 in words is "three trillion, seven hundred forty-five billion, five hundred fifty million, five hundred fifty-five thousand, four hundred seventy-three".