3649303405 has 16 divisors (see below), whose sum is σ = 4848577344. Its totient is φ = 2614423680.

The previous prime is 3649303397. The next prime is 3649303423. The reversal of 3649303405 is 5043039463.

It is not a de Polignac number, because 3649303405 - 2³ = 3649303397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 491472 + ... + 498841.

It is an arithmetic number, because the mean of its divisors is an integer number (303036084).

Almost surely, 2^3649303405 is an apocalyptic number.

It is an amenable number.

3649303405 is a deficient number, since it is larger than the sum of its proper divisors (1199273939).

3649303405 is a wasteful number, since it uses less digits than its factorization.

3649303405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990396.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 3649303405 is about 60409.4645316444. The cubic root of 3649303405 is about 1539.5837697009.

The spelling of 3649303405 in words is "three billion, six hundred forty-nine million, three hundred three thousand, four hundred five".