1629141131 has 2 divisors, whose sum is σ = 1629141132. Its totient is φ = 1629141130.

The previous prime is 1629141121. The next prime is 1629141167. The reversal of 1629141131 is 1311419261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1629141131 is a prime.

It is a super-2 number, since 2×1629141131² = 5308201649431918322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1629141094 and 1629141103.

It is not a weakly prime, because it can be changed into another prime (1629141121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814570565 + 814570566.

It is an arithmetic number, because the mean of its divisors is an integer number (814570566).

Almost surely, 2^1629141131 is an apocalyptic number.

1629141131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1629141131 is an equidigital number, since it uses as much as digits as its factorization.

1629141131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 1629141131 is about 40362.6204674573. The cubic root of 1629141131 is about 1176.6651823507.

The spelling of 1629141131 in words is "one billion, six hundred twenty-nine million, one hundred forty-one thousand, one hundred thirty-one".