3745496945473 has 4 divisors (see below), whose sum is σ = 3782581073748. Its totient is φ = 3708412817200.

The previous prime is 3745496945471. The next prime is 3745496945501.

3745496945473 is nontrivially palindromic in base 10.

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 3001930481664 + 743566463809 = 1732608^2 + 862303^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745496945473 - 2¹ = 3745496945471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745496945471) 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, 18542063986 + ... + 18542064187.

It is an arithmetic number, because the mean of its divisors is an integer number (945645268437).

Almost surely, 2^{3745496945473} is an apocalyptic number.

It is an amenable number.

3745496945473 is a deficient number, since it is larger than the sum of its proper divisors (37084128275).

3745496945473 is a wasteful number, since it uses less digits than its factorization.

3745496945473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37084128274.

The product of its digits is 1371686400, while the sum is 70.

The spelling of 3745496945473 in words is "three trillion, seven hundred forty-five billion, four hundred ninety-six million, nine hundred forty-five thousand, four hundred seventy-three".