2538966507 has 48 divisors (see below), whose sum is σ = 4548742272. Its totient is φ = 1241345280.

The previous prime is 2538966497. The next prime is 2538966553. The reversal of 2538966507 is 7056698352.

It is a happy number.

It is not a de Polignac number, because 2538966507 - 2¹¹ = 2538964459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2538966507.

It is not an unprimeable number, because it can be changed into a prime (2538966107) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 18693 + ... + 73670.

It is an arithmetic number, because the mean of its divisors is an integer number (94765464).

Almost surely, 2^2538966507 is an apocalyptic number.

2538966507 is a deficient number, since it is larger than the sum of its proper divisors (2009775765).

2538966507 is a wasteful number, since it uses less digits than its factorization.

2538966507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92408 (or 92401 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The square root of 2538966507 is about 50388.1584005607. The cubic root of 2538966507 is about 1364.2239112278.

The spelling of 2538966507 in words is "two billion, five hundred thirty-eight million, nine hundred sixty-six thousand, five hundred seven".