2546347445 has 6 divisors (see below), whose sum is σ = 3055752342. Its totient is φ = 2036987688.

The previous prime is 2546347421. The next prime is 2546347459. The reversal of 2546347445 is 5447436452.

It can be written as a sum of positive squares in only one way, i.e., 2037077956 + 509269489 = 45134^2 + 22567^2 .

It is not a de Polignac number, because 2546347445 - 2¹⁶ = 2546281909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2546347396 and 2546347405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101552 + ... + 124118.

It is an arithmetic number, because the mean of its divisors is an integer number (509292057).

Almost surely, 2^2546347445 is an apocalyptic number.

It is an amenable number.

2546347445 is a deficient number, since it is larger than the sum of its proper divisors (509404897).

2546347445 is an frugal number, since it uses more digits than its factorization.

2546347445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45139 (or 22572 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 44.

The square root of 2546347445 is about 50461.3460482378. The cubic root of 2546347445 is about 1365.5445943335.

The spelling of 2546347445 in words is "two billion, five hundred forty-six million, three hundred forty-seven thousand, four hundred forty-five".