35646381949 has 16 divisors (see below), whose sum is σ = 38045064960. Its totient is φ = 33281625600.

The previous prime is 35646381931. The next prime is 35646382003. The reversal of 35646381949 is 94918364653.

It is a cyclic number.

It is not a de Polignac number, because 35646381949 - 2²⁹ = 35109511037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35646381893 and 35646381902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35646381919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357249 + ... + 3367849.

It is an arithmetic number, because the mean of its divisors is an integer number (2377816560).

Almost surely, 2^35646381949 is an apocalyptic number.

It is an amenable number.

35646381949 is a deficient number, since it is larger than the sum of its proper divisors (2398683011).

35646381949 is a wasteful number, since it uses less digits than its factorization.

35646381949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12180.

The product of its digits is 16796160, while the sum is 58.

The spelling of 35646381949 in words is "thirty-five billion, six hundred forty-six million, three hundred eighty-one thousand, nine hundred forty-nine".