3954210461 has 4 divisors (see below), whose sum is σ = 4061081052. Its totient is φ = 3847339872.

The previous prime is 3954210451. The next prime is 3954210493. The reversal of 3954210461 is 1640124593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1640124593 = 19 ⋅86322347.

It can be written as a sum of positive squares in 2 ways, for example, as 3647435236 + 306775225 = 60394^2 + 17515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3954210461 - 2³⁰ = 2880468637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954210431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53435240 + ... + 53435313.

It is an arithmetic number, because the mean of its divisors is an integer number (1015270263).

Almost surely, 2^3954210461 is an apocalyptic number.

It is an amenable number.

3954210461 is a deficient number, since it is larger than the sum of its proper divisors (106870591).

3954210461 is a wasteful number, since it uses less digits than its factorization.

3954210461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106870590.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3954210461 is about 62882.5131574749. The cubic root of 3954210461 is about 1581.3205939602.

The spelling of 3954210461 in words is "three billion, nine hundred fifty-four million, two hundred ten thousand, four hundred sixty-one".