35121373666997 has 2 divisors, whose sum is σ = 35121373666998. Its totient is φ = 35121373666996.

The previous prime is 35121373666969. The next prime is 35121373667047. The reversal of 35121373666997 is 79966637312153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28139566246276 + 6981807420721 = 5304674^2 + 2642311^2 .

It is a cyclic number.

It is not a de Polignac number, because 35121373666997 - 2⁴² = 30723327155893 is a prime.

It is a super-3 number, since 3×35121373666997³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35121373666957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17560686833498 + 17560686833499.

It is an arithmetic number, because the mean of its divisors is an integer number (17560686833499).

Almost surely, 2^{35121373666997} is an apocalyptic number.

It is an amenable number.

35121373666997 is a deficient number, since it is larger than the sum of its proper divisors (1).

35121373666997 is an equidigital number, since it uses as much as digits as its factorization.

35121373666997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 231472080, while the sum is 68.

The spelling of 35121373666997 in words is "thirty-five trillion, one hundred twenty-one billion, three hundred seventy-three million, six hundred sixty-six thousand, nine hundred ninety-seven".