662391732053 has 2 divisors, whose sum is σ = 662391732054. Its totient is φ = 662391732052.

The previous prime is 662391732043. The next prime is 662391732089. The reversal of 662391732053 is 350237193266.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600652900324 + 61738831729 = 775018^2 + 248473^2 .

It is a cyclic number.

It is not a de Polignac number, because 662391732053 - 2¹² = 662391727957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662391731989 and 662391732007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662391732043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331195866026 + 331195866027.

It is an arithmetic number, because the mean of its divisors is an integer number (331195866027).

Almost surely, 2^662391732053 is an apocalyptic number.

It is an amenable number.

662391732053 is a deficient number, since it is larger than the sum of its proper divisors (1).

662391732053 is an equidigital number, since it uses as much as digits as its factorization.

662391732053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 662391732053 in words is "six hundred sixty-two billion, three hundred ninety-one million, seven hundred thirty-two thousand, fifty-three".