2660401363 has 2 divisors, whose sum is σ = 2660401364. Its totient is φ = 2660401362.

The previous prime is 2660401327. The next prime is 2660401423. The reversal of 2660401363 is 3631040662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2660401363 - 2¹³ = 2660393171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660401313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330200681 + 1330200682.

It is an arithmetic number, because the mean of its divisors is an integer number (1330200682).

Almost surely, 2^2660401363 is an apocalyptic number.

2660401363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660401363 is an equidigital number, since it uses as much as digits as its factorization.

2660401363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2660401363 is about 51579.0787335330. The cubic root of 2660401363 is about 1385.6356673175.

The spelling of 2660401363 in words is "two billion, six hundred sixty million, four hundred one thousand, three hundred sixty-three".