2507236381649 has 12 divisors (see below), whose sum is σ = 2624110641600. Its totient is φ = 2395367246184.

The previous prime is 2507236381589. The next prime is 2507236381673. The reversal of 2507236381649 is 9461836327052.

It is not a de Polignac number, because 2507236381649 - 2²⁸ = 2506967946193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2507236381594 and 2507236381603.

It is not an unprimeable number, because it can be changed into a prime (2507236389649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2380709 + ... + 3268370.

It is an arithmetic number, because the mean of its divisors is an integer number (218675886800).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2507236381649 = 5014472763298, but 3⋅2507236381649 = 7521709144947 is not.

Almost surely, 2^{2507236381649} is an apocalyptic number.

It is an amenable number.

2507236381649 is a deficient number, since it is larger than the sum of its proper divisors (116874259951).

2507236381649 is an equidigital number, since it uses as much as digits as its factorization.

2507236381649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649964 (or 5649941 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 2507236381649 in words is "two trillion, five hundred seven billion, two hundred thirty-six million, three hundred eighty-one thousand, six hundred forty-nine".