34991604143 has 2 divisors, whose sum is σ = 34991604144. Its totient is φ = 34991604142.

The previous prime is 34991604091. The next prime is 34991604149. The reversal of 34991604143 is 34140619943.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34991604143 - 2¹² = 34991600047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34991604094 and 34991604103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34991604149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17495802071 + 17495802072.

It is an arithmetic number, because the mean of its divisors is an integer number (17495802072).

Almost surely, 2^34991604143 is an apocalyptic number.

34991604143 is a deficient number, since it is larger than the sum of its proper divisors (1).

34991604143 is an equidigital number, since it uses as much as digits as its factorization.

34991604143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 34991604143 in words is "thirty-four billion, nine hundred ninety-one million, six hundred four thousand, one hundred forty-three".