3973553797 has 2 divisors, whose sum is σ = 3973553798. Its totient is φ = 3973553796.

The previous prime is 3973553783. The next prime is 3973553849. The reversal of 3973553797 is 7973553793.

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., 2751422116 + 1222131681 = 52454^2 + 34959^2 .

It is a cyclic number.

It is not a de Polignac number, because 3973553797 - 2¹¹ = 3973551749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973553737) 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 as a sum of consecutive naturals, namely, 1986776898 + 1986776899.

It is an arithmetic number, because the mean of its divisors is an integer number (1986776899).

Almost surely, 2^3973553797 is an apocalyptic number.

It is an amenable number.

3973553797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973553797 is an equidigital number, since it uses as much as digits as its factorization.

3973553797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18753525, while the sum is 58.

The square root of 3973553797 is about 63036.1308853898. The cubic root of 3973553797 is about 1583.8949193814.

The spelling of 3973553797 in words is "three billion, nine hundred seventy-three million, five hundred fifty-three thousand, seven hundred ninety-seven".