1655048687 has 2 divisors, whose sum is σ = 1655048688. Its totient is φ = 1655048686.

The previous prime is 1655048683. The next prime is 1655048701. The reversal of 1655048687 is 7868405561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1655048687 - 2² = 1655048683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1655048683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827524343 + 827524344.

It is an arithmetic number, because the mean of its divisors is an integer number (827524344).

Almost surely, 2^1655048687 is an apocalyptic number.

1655048687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1655048687 is an equidigital number, since it uses as much as digits as its factorization.

1655048687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 1655048687 is about 40682.2895987922. The cubic root of 1655048687 is about 1182.8697476462.

The spelling of 1655048687 in words is "one billion, six hundred fifty-five million, forty-eight thousand, six hundred eighty-seven".