1098521444934 has 256 divisors, whose sum is σ = 2616929280000. Its totient is φ = 341062824960.

The previous prime is 1098521444879. The next prime is 1098521444989. The reversal of 1098521444934 is 4394441258901.

1098521444934 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 5 + 2 + 144 + 493 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1098521444879) and next prime (1098521444989).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1287832452 + ... + 1287833304.

It is an arithmetic number, because the mean of its divisors is an integer number (10222380000).

Almost surely, 2^{1098521444934} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098521444934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1308464640000).

1098521444934 is an abundant number, since it is smaller than the sum of its proper divisors (1518407835066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098521444934 is a wasteful number, since it uses less digits than its factorization.

1098521444934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 1098521444934 in words is "one trillion, ninety-eight billion, five hundred twenty-one million, four hundred forty-four thousand, nine hundred thirty-four".