3723509475493 has 4 divisors (see below), whose sum is σ = 3730912079328. Its totient is φ = 3716106871660.

The previous prime is 3723509475481. The next prime is 3723509475527. The reversal of 3723509475493 is 3945749053273.

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 3723509475493 - 2²¹ = 3723507378341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723509475403) 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, 3701301163 + ... + 3701302168.

It is an arithmetic number, because the mean of its divisors is an integer number (932728019832).

Almost surely, 2^{3723509475493} is an apocalyptic number.

It is an amenable number.

3723509475493 is a deficient number, since it is larger than the sum of its proper divisors (7402603835).

3723509475493 is an equidigital number, since it uses as much as digits as its factorization.

3723509475493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402603834.

The product of its (nonzero) digits is 85730400, while the sum is 61.

The spelling of 3723509475493 in words is "three trillion, seven hundred twenty-three billion, five hundred nine million, four hundred seventy-five thousand, four hundred ninety-three".