1768422401 has 4 divisors (see below), whose sum is σ = 1770759252. Its totient is φ = 1766085552.

The previous prime is 1768422377. The next prime is 1768422419. The reversal of 1768422401 is 1042248671.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042248671 = 37 ⋅28168883.

It can be written as a sum of positive squares in 2 ways, for example, as 1332615025 + 435807376 = 36505^2 + 20876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1768422401 - 2¹⁰ = 1768421377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1768422451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167290 + ... + 1168803.

It is an arithmetic number, because the mean of its divisors is an integer number (442689813).

Almost surely, 2^1768422401 is an apocalyptic number.

It is an amenable number.

1768422401 is a deficient number, since it is larger than the sum of its proper divisors (2336851).

1768422401 is an equidigital number, since it uses as much as digits as its factorization.

1768422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336850.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 1768422401 is about 42052.6146749521. The cubic root of 1768422401 is about 1209.2850091447.

The spelling of 1768422401 in words is "one billion, seven hundred sixty-eight million, four hundred twenty-two thousand, four hundred one".