3505997049 has 16 divisors (see below), whose sum is σ = 4955880960. Its totient is φ = 2200798080.

The previous prime is 3505997039. The next prime is 3505997069. The reversal of 3505997049 is 9407995053.

It is a happy number.

It is not a de Polignac number, because 3505997049 - 2¹² = 3505992953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3505996992 and 3505997010.

It is not an unprimeable number, because it can be changed into a prime (3505997009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506004 + ... + 512885.

It is an arithmetic number, because the mean of its divisors is an integer number (309742560).

Almost surely, 2^3505997049 is an apocalyptic number.

It is an amenable number.

3505997049 is a deficient number, since it is larger than the sum of its proper divisors (1449883911).

3505997049 is a wasteful number, since it uses less digits than its factorization.

3505997049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018960.

The product of its (nonzero) digits is 1530900, while the sum is 51.

The square root of 3505997049 is about 59211.4604531927. The cubic root of 3505997049 is about 1519.1611612627.

The spelling of 3505997049 in words is "three billion, five hundred five million, nine hundred ninety-seven thousand, forty-nine".