17499400747 has 2 divisors, whose sum is σ = 17499400748. Its totient is φ = 17499400746.

The previous prime is 17499400741. The next prime is 17499400757. The reversal of 17499400747 is 74700499471.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17499400747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17499400694 and 17499400703.

It is not a weakly prime, because it can be changed into another prime (17499400741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8749700373 + 8749700374.

It is an arithmetic number, because the mean of its divisors is an integer number (8749700374).

Almost surely, 2^17499400747 is an apocalyptic number.

17499400747 is a deficient number, since it is larger than the sum of its proper divisors (1).

17499400747 is an equidigital number, since it uses as much as digits as its factorization.

17499400747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 17499400747 in words is "seventeen billion, four hundred ninety-nine million, four hundred thousand, seven hundred forty-seven".