201246227629 has 2 divisors, whose sum is σ = 201246227630. Its totient is φ = 201246227628.

The previous prime is 201246227543. The next prime is 201246227653. The reversal of 201246227629 is 926722642102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193953921604 + 7292306025 = 440402^2 + 85395^2 .

It is a cyclic number.

It is not a de Polignac number, because 201246227629 - 2¹³ = 201246219437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201246227669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100623113814 + 100623113815.

It is an arithmetic number, because the mean of its divisors is an integer number (100623113815).

Almost surely, 2^201246227629 is an apocalyptic number.

It is an amenable number.

201246227629 is a deficient number, since it is larger than the sum of its proper divisors (1).

201246227629 is an equidigital number, since it uses as much as digits as its factorization.

201246227629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 201246227629 in words is "two hundred one billion, two hundred forty-six million, two hundred twenty-seven thousand, six hundred twenty-nine".