35168686397 has 4 divisors (see below), whose sum is σ = 37873969980. Its totient is φ = 32463402816.

The previous prime is 35168686363. The next prime is 35168686439. The reversal of 35168686397 is 79368686153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79368686153 = 659 ⋅120438067.

It can be written as a sum of positive squares in 2 ways, for example, as 8347745956 + 26820940441 = 91366^2 + 163771^2 .

It is not a de Polignac number, because 35168686397 - 2⁸ = 35168686141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35168686297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352641772 + ... + 1352641797.

It is an arithmetic number, because the mean of its divisors is an integer number (9468492495).

Almost surely, 2^35168686397 is an apocalyptic number.

It is an amenable number.

35168686397 is a deficient number, since it is larger than the sum of its proper divisors (2705283583).

35168686397 is a wasteful number, since it uses less digits than its factorization.

35168686397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705283582.

The product of its digits is 39191040, while the sum is 62.

The spelling of 35168686397 in words is "thirty-five billion, one hundred sixty-eight million, six hundred eighty-six thousand, three hundred ninety-seven".