1649110455 has 16 divisors (see below), whose sum is σ = 2931752160. Its totient is φ = 879525504.

The previous prime is 1649110439. The next prime is 1649110469. The reversal of 1649110455 is 5540119461.

1649110455 is a `hidden beast` number, since 1 + 649 + 1 + 1 + 0 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 1649110455 - 2⁴ = 1649110439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6107682 + ... + 6107951.

It is an arithmetic number, because the mean of its divisors is an integer number (183234510).

Almost surely, 2^1649110455 is an apocalyptic number.

1649110455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1649110455 is a deficient number, since it is larger than the sum of its proper divisors (1282641705).

1649110455 is a wasteful number, since it uses less digits than its factorization.

1649110455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215647 (or 12215641 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1649110455 is about 40609.2410049732. The cubic root of 1649110455 is about 1181.4533597981.

The spelling of 1649110455 in words is "one billion, six hundred forty-nine million, one hundred ten thousand, four hundred fifty-five".