1098570829 has 2 divisors, whose sum is σ = 1098570830. Its totient is φ = 1098570828.

The previous prime is 1098570797. The next prime is 1098570833. The reversal of 1098570829 is 9280758901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806673604 + 291897225 = 28402^2 + 17085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098570829 - 2⁵ = 1098570797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098570929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549285414 + 549285415.

It is an arithmetic number, because the mean of its divisors is an integer number (549285415).

Almost surely, 2^1098570829 is an apocalyptic number.

It is an amenable number.

1098570829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098570829 is an equidigital number, since it uses as much as digits as its factorization.

1098570829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 1098570829 is about 33144.6953372632. The cubic root of 1098570829 is about 1031.8328596398.

The spelling of 1098570829 in words is "one billion, ninety-eight million, five hundred seventy thousand, eight hundred twenty-nine".