1657246034409 has 12 divisors (see below), whose sum is σ = 2570422420944. Its totient is φ = 946997733864.

The previous prime is 1657246034401. The next prime is 1657246034419. The reversal of 1657246034409 is 9044306427561.

It is not a de Polignac number, because 1657246034409 - 2³ = 1657246034401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1657246034401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5636891127 + ... + 5636891420.

It is an arithmetic number, because the mean of its divisors is an integer number (214201868412).

Almost surely, 2^{1657246034409} is an apocalyptic number.

It is an amenable number.

1657246034409 is a deficient number, since it is larger than the sum of its proper divisors (913176386535).

1657246034409 is a wasteful number, since it uses less digits than its factorization.

1657246034409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273782564 (or 11273782557 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 1657246034409 in words is "one trillion, six hundred fifty-seven billion, two hundred forty-six million, thirty-four thousand, four hundred nine".