2567452664045 has 4 divisors (see below), whose sum is σ = 3080943196860. Its totient is φ = 2053962131232.

The previous prime is 2567452663969. The next prime is 2567452664071. The reversal of 2567452664045 is 5404662547652.

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 586348558756 + 1981104105289 = 765734^2 + 1407517^2 .

It is a cyclic number.

It is not a de Polignac number, because 2567452664045 - 2¹⁶ = 2567452598509 is a prime.

It is a super-2 number, since 2×2567452664045² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256745266400 + ... + 256745266409.

It is an arithmetic number, because the mean of its divisors is an integer number (770235799215).

Almost surely, 2^{2567452664045} is an apocalyptic number.

It is an amenable number.

2567452664045 is a deficient number, since it is larger than the sum of its proper divisors (513490532815).

2567452664045 is an equidigital number, since it uses as much as digits as its factorization.

2567452664045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513490532814.

The product of its (nonzero) digits is 48384000, while the sum is 56.

The spelling of 2567452664045 in words is "two trillion, five hundred sixty-seven billion, four hundred fifty-two million, six hundred sixty-four thousand, forty-five".