2538267651403 has 16 divisors (see below), whose sum is σ = 2817497779200. Its totient is φ = 2267160222880.

The previous prime is 2538267651397. The next prime is 2538267651419. The reversal of 2538267651403 is 3041567628352.

It is a cyclic number.

It is not a de Polignac number, because 2538267651403 - 2¹³ = 2538267643211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538267651463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110433 + ... + 2255821.

It is an arithmetic number, because the mean of its divisors is an integer number (176093611200).

Almost surely, 2^{2538267651403} is an apocalyptic number.

2538267651403 is a deficient number, since it is larger than the sum of its proper divisors (279230127797).

2538267651403 is a wasteful number, since it uses less digits than its factorization.

2538267651403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147282.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 2538267651403 in words is "two trillion, five hundred thirty-eight billion, two hundred sixty-seven million, six hundred fifty-one thousand, four hundred three".