906945629 has 2 divisors, whose sum is σ = 906945630. Its totient is φ = 906945628.

The previous prime is 906945577. The next prime is 906945643. The reversal of 906945629 is 926549609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547653604 + 359292025 = 23402^2 + 18955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906945629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906945029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453472814 + 453472815.

It is an arithmetic number, because the mean of its divisors is an integer number (453472815).

Almost surely, 2^906945629 is an apocalyptic number.

It is an amenable number.

906945629 is a deficient number, since it is larger than the sum of its proper divisors (1).

906945629 is an equidigital number, since it uses as much as digits as its factorization.

906945629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 906945629 is about 30115.5379995111. The cubic root of 906945629 is about 967.9667008814.

The spelling of 906945629 in words is "nine hundred six million, nine hundred forty-five thousand, six hundred twenty-nine".