3473923649 has 6 divisors (see below), whose sum is σ = 4041094914. Its totient is φ = 2977648800.

The previous prime is 3473923619. The next prime is 3473923679. The reversal of 3473923649 is 9463293743.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3473923619) and next prime (3473923679).

It can be written as a sum of positive squares in only one way, i.e., 3473923600 + 49 = 58940^2 + 7^2 .

It is not a de Polignac number, because 3473923649 - 2⁸ = 3473923393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3473923597 and 3473923606.

It is not an unprimeable number, because it can be changed into a prime (3473923619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35448152 + ... + 35448249.

It is an arithmetic number, because the mean of its divisors is an integer number (673515819).

Almost surely, 2^3473923649 is an apocalyptic number.

It is an amenable number.

3473923649 is a deficient number, since it is larger than the sum of its proper divisors (567171265).

3473923649 is an equidigital number, since it uses as much as digits as its factorization.

3473923649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70896415 (or 70896408 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 50.

The square root of 3473923649 is about 58940.0004156770. Note that the first 3 decimals coincide. The cubic root of 3473923649 is about 1514.5144561162.

It can be divided in two parts, 34739236 and 49, that multiplied together give a square (1702222564 = 41258²).

The spelling of 3473923649 in words is "three billion, four hundred seventy-three million, nine hundred twenty-three thousand, six hundred forty-nine".