3972999029393 has 2 divisors, whose sum is σ = 3972999029394. Its totient is φ = 3972999029392.

The previous prime is 3972999029383. The next prime is 3972999029423. The reversal of 3972999029393 is 3939209992793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3810022917184 + 162976112209 = 1951928^2 + 403703^2 .

It is a cyclic number.

It is not a de Polignac number, because 3972999029393 - 2¹⁸ = 3972998767249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3972999029393.

It is not a weakly prime, because it can be changed into another prime (3972999029383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986499514696 + 1986499514697.

It is an arithmetic number, because the mean of its divisors is an integer number (1986499514697).

Almost surely, 2^{3972999029393} is an apocalyptic number.

It is an amenable number.

3972999029393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3972999029393 is an equidigital number, since it uses as much as digits as its factorization.

3972999029393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 401769396, while the sum is 74.

The spelling of 3972999029393 in words is "three trillion, nine hundred seventy-two billion, nine hundred ninety-nine million, twenty-nine thousand, three hundred ninety-three".