1098627645 has 8 divisors (see below), whose sum is σ = 1757804256. Its totient is φ = 585934736.

The previous prime is 1098627623. The next prime is 1098627779. The reversal of 1098627645 is 5467268901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1098627645 - 2⁶ = 1098627581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098627594 and 1098627603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36620907 + ... + 36620936.

It is an arithmetic number, because the mean of its divisors is an integer number (219725532).

Almost surely, 2^1098627645 is an apocalyptic number.

1098627645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1098627645 is a deficient number, since it is larger than the sum of its proper divisors (659176611).

1098627645 is an equidigital number, since it uses as much as digits as its factorization.

1098627645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73241851.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1098627645 is about 33145.5524165762. The cubic root of 1098627645 is about 1031.8506474794.

The spelling of 1098627645 in words is "one billion, ninety-eight million, six hundred twenty-seven thousand, six hundred forty-five".