1098925013 has 2 divisors, whose sum is σ = 1098925014. Its totient is φ = 1098925012.

The previous prime is 1098924979. The next prime is 1098925019. The reversal of 1098925013 is 3105298901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775176964 + 323748049 = 27842^2 + 17993^2 .

It is an emirp because it is prime and its reverse (3105298901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098925013 - 2²⁸ = 830489557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098925019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549462506 + 549462507.

It is an arithmetic number, because the mean of its divisors is an integer number (549462507).

Almost surely, 2^1098925013 is an apocalyptic number.

It is an amenable number.

1098925013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098925013 is an equidigital number, since it uses as much as digits as its factorization.

1098925013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1098925013 is about 33150.0379034474. The cubic root of 1098925013 is about 1031.9437368547.

The spelling of 1098925013 in words is "one billion, ninety-eight million, nine hundred twenty-five thousand, thirteen".