655048619 has 2 divisors, whose sum is σ = 655048620. Its totient is φ = 655048618.

The previous prime is 655048567. The next prime is 655048651. The reversal of 655048619 is 916840556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655048619 is a prime.

It is a super-2 number, since 2×655048619² = 858177386507614322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655048619.

It is not a weakly prime, because it can be changed into another prime (655048019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327524309 + 327524310.

It is an arithmetic number, because the mean of its divisors is an integer number (327524310).

Almost surely, 2^655048619 is an apocalyptic number.

655048619 is a deficient number, since it is larger than the sum of its proper divisors (1).

655048619 is an equidigital number, since it uses as much as digits as its factorization.

655048619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 655048619 is about 25593.9176172777. The cubic root of 655048619 is about 868.4760474715.

The spelling of 655048619 in words is "six hundred fifty-five million, forty-eight thousand, six hundred nineteen".