2538191502 has 48 divisors (see below), whose sum is σ = 6856417152. Its totient is φ = 659270160.

The previous prime is 2538191497. The next prime is 2538191503. The reversal of 2538191502 is 2051918352.

It is a super-2 number, since 2×2538191502² = 12884832201650032008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538191503) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 914268 + ... + 917039.

It is an arithmetic number, because the mean of its divisors is an integer number (142842024).

Almost surely, 2^2538191502 is an apocalyptic number.

2538191502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2538191502 is an abundant number, since it is smaller than the sum of its proper divisors (4318225650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538191502 is a wasteful number, since it uses less digits than its factorization.

2538191502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831333 (or 1831330 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 2538191502 is about 50380.4674650802. The cubic root of 2538191502 is about 1364.0850899208.

The spelling of 2538191502 in words is "two billion, five hundred thirty-eight million, one hundred ninety-one thousand, five hundred two".