2508740667394 has 16 divisors (see below), whose sum is σ = 4053132833400. Its totient is φ = 1157722663680.

The previous prime is 2508740667371. The next prime is 2508740667397. The reversal of 2508740667394 is 4937660478052.

It can be written as a sum of positive squares in 4 ways, for example, as 2458194386769 + 50546280625 = 1567863^2 + 224825^2 .

It is not an unprimeable number, because it can be changed into a prime (2508740667397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373767 + ... + 6755914.

Almost surely, 2^{2508740667394} is an apocalyptic number.

2508740667394 is a deficient number, since it is larger than the sum of its proper divisors (1544392166006).

2508740667394 is a wasteful number, since it uses less digits than its factorization.

2508740667394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137045.

The product of its (nonzero) digits is 60963840, while the sum is 61.

The spelling of 2508740667394 in words is "two trillion, five hundred eight billion, seven hundred forty million, six hundred sixty-seven thousand, three hundred ninety-four".