97549694629 has 2 divisors, whose sum is σ = 97549694630. Its totient is φ = 97549694628.

The previous prime is 97549694579. The next prime is 97549694677. The reversal of 97549694629 is 92649694579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97173722529 + 375972100 = 311727^2 + 19390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97549694629 is a prime.

It is a super-2 number, since 2×97549694629² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97549614629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48774847314 + 48774847315.

It is an arithmetic number, because the mean of its divisors is an integer number (48774847315).

Almost surely, 2^97549694629 is an apocalyptic number.

It is an amenable number.

97549694629 is a deficient number, since it is larger than the sum of its proper divisors (1).

97549694629 is an equidigital number, since it uses as much as digits as its factorization.

97549694629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264539520, while the sum is 70.

The spelling of 97549694629 in words is "ninety-seven billion, five hundred forty-nine million, six hundred ninety-four thousand, six hundred twenty-nine".