2732475243721 has 4 divisors (see below), whose sum is σ = 2790613014912. Its totient is φ = 2674337472532.

The previous prime is 2732475243703. The next prime is 2732475243737. The reversal of 2732475243721 is 1273425742372.

It is a happy number.

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 2732475243721 - 2⁵ = 2732475243689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2732445243721) 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, 29068885525 + ... + 29068885618.

It is an arithmetic number, because the mean of its divisors is an integer number (697653253728).

Almost surely, 2^{2732475243721} is an apocalyptic number.

It is an amenable number.

2732475243721 is a deficient number, since it is larger than the sum of its proper divisors (58137771191).

2732475243721 is an equidigital number, since it uses as much as digits as its factorization.

2732475243721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58137771190.

The product of its digits is 3951360, while the sum is 49.

The spelling of 2732475243721 in words is "two trillion, seven hundred thirty-two billion, four hundred seventy-five million, two hundred forty-three thousand, seven hundred twenty-one".