2709448145 has 4 divisors (see below), whose sum is σ = 3251337780. Its totient is φ = 2167558512.

The previous prime is 2709448129. The next prime is 2709448177. The reversal of 2709448145 is 5418449072.

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 1334002576 + 1375445569 = 36524^2 + 37087^2 .

It is a cyclic number.

It is not a de Polignac number, because 2709448145 - 2⁴ = 2709448129 is a prime.

It is a super-2 number, since 2×2709448145² = 14682218500887882050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2709448096 and 2709448105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270944810 + ... + 270944819.

It is an arithmetic number, because the mean of its divisors is an integer number (812834445).

Almost surely, 2^2709448145 is an apocalyptic number.

It is an amenable number.

2709448145 is a deficient number, since it is larger than the sum of its proper divisors (541889635).

2709448145 is an equidigital number, since it uses as much as digits as its factorization.

2709448145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541889634.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 2709448145 is about 52052.3596487229. The cubic root of 2709448145 is about 1394.0989963844.

The spelling of 2709448145 in words is "two billion, seven hundred nine million, four hundred forty-eight thousand, one hundred forty-five".