1700868749 has 2 divisors, whose sum is σ = 1700868750. Its totient is φ = 1700868748.

The previous prime is 1700868731. The next prime is 1700868769. The reversal of 1700868749 is 9478680071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083594724 + 617274025 = 32918^2 + 24845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1700868749 - 2²⁰ = 1699820173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1700868697 and 1700868706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1700868769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850434374 + 850434375.

It is an arithmetic number, because the mean of its divisors is an integer number (850434375).

Almost surely, 2^1700868749 is an apocalyptic number.

It is an amenable number.

1700868749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1700868749 is an equidigital number, since it uses as much as digits as its factorization.

1700868749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 1700868749 is about 41241.5900396675. The cubic root of 1700868749 is about 1193.6864587434.

The spelling of 1700868749 in words is "one billion, seven hundred million, eight hundred sixty-eight thousand, seven hundred forty-nine".