1098914769 has 48 divisors (see below), whose sum is σ = 1725639552. Its totient is φ = 697517568.

The previous prime is 1098914767. The next prime is 1098914807. The reversal of 1098914769 is 9674198901.

It is not a de Polignac number, because 1098914769 - 2¹ = 1098914767 is a prime.

It is a super-2 number, since 2×1098914769² = 2415227339052646722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1098914767) 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 in 47 ways as a sum of consecutive naturals, for example, 1972639 + ... + 1973195.

It is an arithmetic number, because the mean of its divisors is an integer number (35950824).

Almost surely, 2^1098914769 is an apocalyptic number.

It is an amenable number.

1098914769 is a deficient number, since it is larger than the sum of its proper divisors (626724783).

1098914769 is an equidigital number, since it uses as much as digits as its factorization.

1098914769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The square root of 1098914769 is about 33149.8833934601. The cubic root of 1098914769 is about 1031.9405303075.

The spelling of 1098914769 in words is "one billion, ninety-eight million, nine hundred fourteen thousand, seven hundred sixty-nine".