1629428147 has 2 divisors, whose sum is σ = 1629428148. Its totient is φ = 1629428146.

The previous prime is 1629428137. The next prime is 1629428153. The reversal of 1629428147 is 7418249261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1629428147 - 2⁶ = 1629428083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1629428098 and 1629428107.

It is not a weakly prime, because it can be changed into another prime (1629428137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814714073 + 814714074.

It is an arithmetic number, because the mean of its divisors is an integer number (814714074).

Almost surely, 2^1629428147 is an apocalyptic number.

1629428147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1629428147 is an equidigital number, since it uses as much as digits as its factorization.

1629428147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 1629428147 is about 40366.1757787383. The cubic root of 1629428147 is about 1176.7342784523.

The spelling of 1629428147 in words is "one billion, six hundred twenty-nine million, four hundred twenty-eight thousand, one hundred forty-seven".