3655405064 has 8 divisors (see below), whose sum is σ = 6853884510. Its totient is φ = 1827702528.

The previous prime is 3655405049. The next prime is 3655405067. The reversal of 3655405064 is 4605045563.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2377342564 + 1278062500 = 48758^2 + 35750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3655405067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228462809 + ... + 228462824.

Almost surely, 2^3655405064 is an apocalyptic number.

It is an amenable number.

3655405064 is a deficient number, since it is larger than the sum of its proper divisors (3198479446).

3655405064 is a wasteful number, since it uses less digits than its factorization.

3655405064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456925639 (or 456925635 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 3655405064 is about 60459.9459477099. The cubic root of 3655405064 is about 1540.4413566029.

The spelling of 3655405064 in words is "three billion, six hundred fifty-five million, four hundred five thousand, sixty-four".