3499599680 has 42 divisors (see below), whose sum is σ = 8335942434. Its totient is φ = 1399416576.

The previous prime is 3499599637. The next prime is 3499599739. The reversal of 3499599680 is 869959943.

It can be written as a sum of positive squares in only one way, i.e., 2799679744 + 699919936 = 52912^2 + 26456^2 .

It is a super-2 number, since 2×3499599680² = 24494395840512204800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056587 + ... + 1059893.

Almost surely, 2^3499599680 is an apocalyptic number.

It is an amenable number.

3499599680 is an abundant number, since it is smaller than the sum of its proper divisors (4836342754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3499599680 is an frugal number, since it uses more digits than its factorization.

3499599680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6631 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 62.

The square root of 3499599680 is about 59157.4144127344. The cubic root of 3499599680 is about 1518.2365976690.

The spelling of 3499599680 in words is "three billion, four hundred ninety-nine million, five hundred ninety-nine thousand, six hundred eighty".