997560132619 has 2 divisors, whose sum is σ = 997560132620. Its totient is φ = 997560132618.

The previous prime is 997560132607. The next prime is 997560132643. The reversal of 997560132619 is 916231065799.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997560132619 - 2¹¹ = 997560130571 is a prime.

It is a super-2 number, since 2×997560132619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (997560132649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498780066309 + 498780066310.

It is an arithmetic number, because the mean of its divisors is an integer number (498780066310).

Almost surely, 2^997560132619 is an apocalyptic number.

997560132619 is a deficient number, since it is larger than the sum of its proper divisors (1).

997560132619 is an equidigital number, since it uses as much as digits as its factorization.

997560132619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The spelling of 997560132619 in words is "nine hundred ninety-seven billion, five hundred sixty million, one hundred thirty-two thousand, six hundred nineteen".