1098914807 has 2 divisors, whose sum is σ = 1098914808. Its totient is φ = 1098914806.

The previous prime is 1098914767. The next prime is 1098914809. The reversal of 1098914807 is 7084198901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098914807 is a prime.

It is a super-2 number, since 2×1098914807² = 2415227506087694498, which contains 22 as substring.

Together with 1098914809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098914809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549457403 + 549457404.

It is an arithmetic number, because the mean of its divisors is an integer number (549457404).

Almost surely, 2^1098914807 is an apocalyptic number.

1098914807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098914807 is an equidigital number, since it uses as much as digits as its factorization.

1098914807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1098914807 is about 33149.8839666144. The cubic root of 1098914807 is about 1031.9405422022.

The spelling of 1098914807 in words is "one billion, ninety-eight million, nine hundred fourteen thousand, eight hundred seven".