1098715039 has 2 divisors, whose sum is σ = 1098715040. Its totient is φ = 1098715038.

The previous prime is 1098715027. The next prime is 1098715061. The reversal of 1098715039 is 9305178901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098715039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098714986 and 1098715004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098715139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549357519 + 549357520.

It is an arithmetic number, because the mean of its divisors is an integer number (549357520).

Almost surely, 2^1098715039 is an apocalyptic number.

1098715039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098715039 is an equidigital number, since it uses as much as digits as its factorization.

1098715039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1098715039 is about 33146.8707271139. The cubic root of 1098715039 is about 1031.8780074210.

The spelling of 1098715039 in words is "one billion, ninety-eight million, seven hundred fifteen thousand, thirty-nine".