35440406149 has 2 divisors, whose sum is σ = 35440406150. Its totient is φ = 35440406148.

The previous prime is 35440406137. The next prime is 35440406207. The reversal of 35440406149 is 94160404453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35415476100 + 24930049 = 188190^2 + 4993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35440406149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35440406119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17720203074 + 17720203075.

It is an arithmetic number, because the mean of its divisors is an integer number (17720203075).

Almost surely, 2^35440406149 is an apocalyptic number.

It is an amenable number.

35440406149 is a deficient number, since it is larger than the sum of its proper divisors (1).

35440406149 is an equidigital number, since it uses as much as digits as its factorization.

35440406149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 35440406149 in words is "thirty-five billion, four hundred forty million, four hundred six thousand, one hundred forty-nine".