2538151948 has 12 divisors (see below), whose sum is σ = 4460830920. Its totient is φ = 1263628832.

The previous prime is 2538151943. The next prime is 2538151963. The reversal of 2538151948 is 8491518352.

It is a super-2 number, since 2×2538151948² = 12884430622272389408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2538151898 and 2538151907.

It is not an unprimeable number, because it can be changed into a prime (2538151943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1360738 + ... + 1362601.

It is an arithmetic number, because the mean of its divisors is an integer number (371735910).

Almost surely, 2^2538151948 is an apocalyptic number.

It is an amenable number.

2538151948 is a deficient number, since it is larger than the sum of its proper divisors (1922678972).

2538151948 is a wasteful number, since it uses less digits than its factorization.

2538151948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723576 (or 2723574 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 2538151948 is about 50380.0749106231. The cubic root of 2538151948 is about 1364.0780041274.

The spelling of 2538151948 in words is "two billion, five hundred thirty-eight million, one hundred fifty-one thousand, nine hundred forty-eight".