1029998153 has 2 divisors, whose sum is σ = 1029998154. Its totient is φ = 1029998152.

The previous prime is 1029998143. The next prime is 1029998171. The reversal of 1029998153 is 3518999201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023808009 + 6190144 = 31997^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 1029998153 - 2¹⁸ = 1029736009 is a prime.

It is a super-2 number, since 2×1029998153² = 2121792390366822818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1029998098 and 1029998107.

It is not a weakly prime, because it can be changed into another prime (1029998143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514999076 + 514999077.

It is an arithmetic number, because the mean of its divisors is an integer number (514999077).

Almost surely, 2^1029998153 is an apocalyptic number.

It is an amenable number.

1029998153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029998153 is an equidigital number, since it uses as much as digits as its factorization.

1029998153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 1029998153 is about 32093.5842965537. The cubic root of 1029998153 is about 1009.9010303964.

The spelling of 1029998153 in words is "one billion, twenty-nine million, nine hundred ninety-eight thousand, one hundred fifty-three".