1098395047 has 2 divisors, whose sum is σ = 1098395048. Its totient is φ = 1098395046.

The previous prime is 1098395017. The next prime is 1098395059. The reversal of 1098395047 is 7405938901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1098395047 - 2⁷ = 1098394919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098394988 and 1098395006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098395017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549197523 + 549197524.

It is an arithmetic number, because the mean of its divisors is an integer number (549197524).

Almost surely, 2^1098395047 is an apocalyptic number.

1098395047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098395047 is an equidigital number, since it uses as much as digits as its factorization.

1098395047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1098395047 is about 33142.0434946308. The cubic root of 1098395047 is about 1031.7778222786. Note that the first 3 decimals are identical.

It can be divided in two parts, 10983 and 95047, that added together give a triangular number (106030 = T₄₆₀).

The spelling of 1098395047 in words is "one billion, ninety-eight million, three hundred ninety-five thousand, forty-seven".