97143654061 has 2 divisors, whose sum is σ = 97143654062. Its totient is φ = 97143654060.

The previous prime is 97143654011. The next prime is 97143654067. The reversal of 97143654061 is 16045634179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93614581225 + 3529072836 = 305965^2 + 59406^2 .

It is a cyclic number.

It is not a de Polignac number, because 97143654061 - 2¹³ = 97143645869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97143654067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48571827030 + 48571827031.

It is an arithmetic number, because the mean of its divisors is an integer number (48571827031).

Almost surely, 2^97143654061 is an apocalyptic number.

It is an amenable number.

97143654061 is a deficient number, since it is larger than the sum of its proper divisors (1).

97143654061 is an equidigital number, since it uses as much as digits as its factorization.

97143654061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 97143654061 in words is "ninety-seven billion, one hundred forty-three million, six hundred fifty-four thousand, sixty-one".