201396939629 has 2 divisors, whose sum is σ = 201396939630. Its totient is φ = 201396939628.

The previous prime is 201396939607. The next prime is 201396939697. The reversal of 201396939629 is 926939693102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127518981604 + 73877958025 = 357098^2 + 271805^2 .

It is a cyclic number.

It is not a de Polignac number, because 201396939629 - 2¹⁶ = 201396874093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201396639629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100698469814 + 100698469815.

It is an arithmetic number, because the mean of its divisors is an integer number (100698469815).

Almost surely, 2^201396939629 is an apocalyptic number.

It is an amenable number.

201396939629 is a deficient number, since it is larger than the sum of its proper divisors (1).

201396939629 is an equidigital number, since it uses as much as digits as its factorization.

201396939629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 59.

The spelling of 201396939629 in words is "two hundred one billion, three hundred ninety-six million, nine hundred thirty-nine thousand, six hundred twenty-nine".