1649097182025 has 18 divisors (see below), whose sum is σ = 2953716286430. Its totient is φ = 879518496960.

The previous prime is 1649097182023. The next prime is 1649097182027. The reversal of 1649097182025 is 5202817909461.

It is a happy number.

1649097182025 is a `hidden beast` number, since 1 + 6 + 490 + 9 + 71 + 82 + 0 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1649097182023) and next prime (1649097182027).

It can be written as a sum of positive squares in 3 ways, for example, as 66392282889 + 1582704899136 = 257667^2 + 1258056^2 .

It is not a de Polignac number, because 1649097182025 - 2¹ = 1649097182023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1649097182023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3664660180 + ... + 3664660629.

Almost surely, 2^{1649097182025} is an apocalyptic number.

1649097182025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1649097182025 is a deficient number, since it is larger than the sum of its proper divisors (1304619104405).

1649097182025 is a wasteful number, since it uses less digits than its factorization.

1649097182025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329320825 (or 7329320817 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 1649097182025 in words is "one trillion, six hundred forty-nine billion, ninety-seven million, one hundred eighty-two thousand, twenty-five".