3973148429 has 2 divisors, whose sum is σ = 3973148430. Its totient is φ = 3973148428.

The previous prime is 3973148401. The next prime is 3973148437. The reversal of 3973148429 is 9248413793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3570062500 + 403085929 = 59750^2 + 20077^2 .

It is an emirp because it is prime and its reverse (9248413793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3973148429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973148029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986574214 + 1986574215.

It is an arithmetic number, because the mean of its divisors is an integer number (1986574215).

Almost surely, 2^3973148429 is an apocalyptic number.

It is an amenable number.

3973148429 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973148429 is an equidigital number, since it uses as much as digits as its factorization.

3973148429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 3973148429 is about 63032.9154410614. The cubic root of 3973148429 is about 1583.8410564178.

The spelling of 3973148429 in words is "three billion, nine hundred seventy-three million, one hundred forty-eight thousand, four hundred twenty-nine".