662381380783 has 2 divisors, whose sum is σ = 662381380784. Its totient is φ = 662381380782.

The previous prime is 662381380757. The next prime is 662381380819. The reversal of 662381380783 is 387083183266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662381380783 - 2²⁹ = 661844509871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662381380733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331190690391 + 331190690392.

It is an arithmetic number, because the mean of its divisors is an integer number (331190690392).

Almost surely, 2^662381380783 is an apocalyptic number.

662381380783 is a deficient number, since it is larger than the sum of its proper divisors (1).

662381380783 is an equidigital number, since it uses as much as digits as its factorization.

662381380783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 662381380783 in words is "six hundred sixty-two billion, three hundred eighty-one million, three hundred eighty thousand, seven hundred eighty-three".