2672349445 has 4 divisors (see below), whose sum is σ = 3206819340. Its totient is φ = 2137879552.

The previous prime is 2672349443. The next prime is 2672349469. The reversal of 2672349445 is 5449432762.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5449432762 = 2 ⋅2724716381.

It can be written as a sum of positive squares in 2 ways, for example, as 1609132996 + 1063216449 = 40114^2 + 32607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672349445 - 2¹ = 2672349443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2672349395 and 2672349404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672349443) 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, 267234940 + ... + 267234949.

It is an arithmetic number, because the mean of its divisors is an integer number (801704835).

Almost surely, 2^2672349445 is an apocalyptic number.

It is an amenable number.

2672349445 is a deficient number, since it is larger than the sum of its proper divisors (534469895).

2672349445 is an equidigital number, since it uses as much as digits as its factorization.

2672349445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534469894.

The product of its digits is 1451520, while the sum is 46.

The square root of 2672349445 is about 51694.7719310183. The cubic root of 2672349445 is about 1387.7069044044.

The spelling of 2672349445 in words is "two billion, six hundred seventy-two million, three hundred forty-nine thousand, four hundred forty-five".