97211359699 has 2 divisors, whose sum is σ = 97211359700. Its totient is φ = 97211359698.

The previous prime is 97211359691. The next prime is 97211359723. The reversal of 97211359699 is 99695311279.

It is a weak prime.

It is an emirp because it is prime and its reverse (99695311279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97211359699 - 2³ = 97211359691 is a prime.

It is a super-2 number, since 2×97211359699² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97211359691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48605679849 + 48605679850.

It is an arithmetic number, because the mean of its divisors is an integer number (48605679850).

Almost surely, 2^97211359699 is an apocalyptic number.

97211359699 is a deficient number, since it is larger than the sum of its proper divisors (1).

97211359699 is an equidigital number, since it uses as much as digits as its factorization.

97211359699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8266860, while the sum is 61.

The spelling of 97211359699 in words is "ninety-seven billion, two hundred eleven million, three hundred fifty-nine thousand, six hundred ninety-nine".