1098950499 has 12 divisors (see below), whose sum is σ = 1680748056. Its totient is φ = 689537472.

The previous prime is 1098950491. The next prime is 1098950509. The reversal of 1098950499 is 9940598901.

1098950499 = T₁₁₃₆₂ + T₁₁₃₆₃ + ... + T₁₁₃₇₈.

1098950499 is a `hidden beast` number, since 10 + 98 + 9 + 50 + 499 = 666.

It is not a de Polignac number, because 1098950499 - 2³ = 1098950491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1098950491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3591189 + ... + 3591494.

It is an arithmetic number, because the mean of its divisors is an integer number (140062338).

Almost surely, 2^1098950499 is an apocalyptic number.

1098950499 is a deficient number, since it is larger than the sum of its proper divisors (581797557).

1098950499 is a wasteful number, since it uses less digits than its factorization.

1098950499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182706 (or 7182703 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 1098950499 is about 33150.4223050024. The cubic root of 1098950499 is about 1031.9517143219.

The spelling of 1098950499 in words is "one billion, ninety-eight million, nine hundred fifty thousand, four hundred ninety-nine".