1051409629 has 2 divisors, whose sum is σ = 1051409630. Its totient is φ = 1051409628.

The previous prime is 1051409581. The next prime is 1051409687. The reversal of 1051409629 is 9269041501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681732100 + 369677529 = 26110^2 + 19227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051409629 is a prime.

It is a super-2 number, since 2×1051409629² = 2210924415907835282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051409329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525704814 + 525704815.

It is an arithmetic number, because the mean of its divisors is an integer number (525704815).

Almost surely, 2^1051409629 is an apocalyptic number.

It is an amenable number.

1051409629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051409629 is an equidigital number, since it uses as much as digits as its factorization.

1051409629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1051409629 is about 32425.4472444098. The cubic root of 1051409629 is about 1016.8509920860.

The spelling of 1051409629 in words is "one billion, fifty-one million, four hundred nine thousand, six hundred twenty-nine".