1995048487 has 2 divisors, whose sum is σ = 1995048488. Its totient is φ = 1995048486.

The previous prime is 1995048449. The next prime is 1995048499. The reversal of 1995048487 is 7848405991.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7848405991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1995048487 - 2¹¹ = 1995046439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1995148487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997524243 + 997524244.

It is an arithmetic number, because the mean of its divisors is an integer number (997524244).

Almost surely, 2^1995048487 is an apocalyptic number.

1995048487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995048487 is an equidigital number, since it uses as much as digits as its factorization.

1995048487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The square root of 1995048487 is about 44665.9656449964. The cubic root of 1995048487 is about 1258.8804380784.

The spelling of 1995048487 in words is "one billion, nine hundred ninety-five million, forty-eight thousand, four hundred eighty-seven".