3954794953 has 2 divisors, whose sum is σ = 3954794954. Its totient is φ = 3954794952.

The previous prime is 3954794947. The next prime is 3954794971. The reversal of 3954794953 is 3594974593.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2989574329 + 965220624 = 54677^2 + 31068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3954794953 is a prime.

It is not a weakly prime, because it can be changed into another prime (3954794923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1977397476 + 1977397477.

It is an arithmetic number, because the mean of its divisors is an integer number (1977397477).

Almost surely, 2^3954794953 is an apocalyptic number.

It is an amenable number.

3954794953 is a deficient number, since it is larger than the sum of its proper divisors (1).

3954794953 is an equidigital number, since it uses as much as digits as its factorization.

3954794953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18370800, while the sum is 58.

The square root of 3954794953 is about 62887.1604781135. The cubic root of 3954794953 is about 1581.3985044735.

The spelling of 3954794953 in words is "three billion, nine hundred fifty-four million, seven hundred ninety-four thousand, nine hundred fifty-three".