1875540136049 has 2 divisors, whose sum is σ = 1875540136050. Its totient is φ = 1875540136048.

The previous prime is 1875540136021. The next prime is 1875540136087. The reversal of 1875540136049 is 9406310455781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1787654569024 + 87885567025 = 1337032^2 + 296455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1875540136049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1875540136849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937770068024 + 937770068025.

It is an arithmetic number, because the mean of its divisors is an integer number (937770068025).

Almost surely, 2^{1875540136049} is an apocalyptic number.

It is an amenable number.

1875540136049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1875540136049 is an equidigital number, since it uses as much as digits as its factorization.

1875540136049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 1875540136049 in words is "one trillion, eight hundred seventy-five billion, five hundred forty million, one hundred thirty-six thousand, forty-nine".