2538201945 has 16 divisors (see below), whose sum is σ = 4201162560. Its totient is φ = 1307027904.

The previous prime is 2538201901. The next prime is 2538201971. The reversal of 2538201945 is 5491028352.

It is not a de Polignac number, because 2538201945 - 2⁸ = 2538201689 is a prime.

It is a super-2 number, since 2×2538201945² = 12884938227203566050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2917039 + ... + 2917908.

It is an arithmetic number, because the mean of its divisors is an integer number (262572660).

Almost surely, 2^2538201945 is an apocalyptic number.

It is an amenable number.

2538201945 is a deficient number, since it is larger than the sum of its proper divisors (1662960615).

2538201945 is a wasteful number, since it uses less digits than its factorization.

2538201945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834984.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2538201945 is about 50380.5711063303. The cubic root of 2538201945 is about 1364.0869606913.

The spelling of 2538201945 in words is "two billion, five hundred thirty-eight million, two hundred one thousand, nine hundred forty-five".