193498349428 has 24 divisors (see below), whose sum is σ = 340391293704. Its totient is φ = 96243840000.

The previous prime is 193498349413. The next prime is 193498349431. The reversal of 193498349428 is 824943894391.

It can be written as a sum of positive squares in 4 ways, for example, as 76713488784 + 116784860644 = 276972^2 + 341738^2 .

It is a super-2 number, since 2×193498349428² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 193498349428.

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, 7079148 + ... + 7106428.

It is an arithmetic number, because the mean of its divisors is an integer number (14182970571).

Almost surely, 2^193498349428 is an apocalyptic number.

It is an amenable number.

193498349428 is a deficient number, since it is larger than the sum of its proper divisors (146892944276).

193498349428 is a wasteful number, since it uses less digits than its factorization.

193498349428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36483 (or 36481 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 64.

The spelling of 193498349428 in words is "one hundred ninety-three billion, four hundred ninety-eight million, three hundred forty-nine thousand, four hundred twenty-eight".