3526642664 has 8 divisors (see below), whose sum is σ = 6612455010. Its totient is φ = 1763321328.

The previous prime is 3526642627. The next prime is 3526642667. The reversal of 3526642664 is 4662466253.

It can be written as a sum of positive squares in only one way, i.e., 3511510564 + 15132100 = 59258^2 + 3890^2 .

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 (3526642667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220415159 + ... + 220415174.

Almost surely, 2^3526642664 is an apocalyptic number.

It is an amenable number.

3526642664 is a deficient number, since it is larger than the sum of its proper divisors (3085812346).

3526642664 is a wasteful number, since it uses less digits than its factorization.

3526642664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440830339 (or 440830335 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 44.

The square root of 3526642664 is about 59385.5425503548. The cubic root of 3526642664 is about 1522.1372669333.

The spelling of 3526642664 in words is "three billion, five hundred twenty-six million, six hundred forty-two thousand, six hundred sixty-four".