3557986497 has 24 divisors (see below), whose sum is σ = 5552385384. Its totient is φ = 2182512384.

The previous prime is 3557986483. The next prime is 3557986507. The reversal of 3557986497 is 7946897553.

3557986497 is a `hidden beast` number, since 3 + 5 + 57 + 98 + 6 + 497 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 270569601 + 3287416896 = 16449^2 + 57336^2 .

It is not a de Polignac number, because 3557986497 - 2⁸ = 3557986241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3557986477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11958 + ... + 85199.

It is an arithmetic number, because the mean of its divisors is an integer number (231349391).

Almost surely, 2^3557986497 is an apocalyptic number.

It is an amenable number.

3557986497 is a deficient number, since it is larger than the sum of its proper divisors (1994398887).

3557986497 is a wasteful number, since it uses less digits than its factorization.

3557986497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97489 (or 97486 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 63.

The square root of 3557986497 is about 59648.8599807239. The cubic root of 3557986497 is about 1526.6334191563.

The spelling of 3557986497 in words is "three billion, five hundred fifty-seven million, nine hundred eighty-six thousand, four hundred ninety-seven".