193649283136 has 63 divisors (see below), whose sum is σ = 390569537757. Its totient is φ = 95263322880.

The previous prime is 193649283097. The next prime is 193649283137. The reversal of 193649283136 is 631382946391.

The square root of 193649283136 is 440056.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 52874243136 + 140775040000 = 229944^2 + 375200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193649283137) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 235869606 + ... + 235870426.

Almost surely, 2^193649283136 is an apocalyptic number.

193649283136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

193649283136 is the 440056-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193649283136

193649283136 is an abundant number, since it is smaller than the sum of its proper divisors (196920254621).

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

193649283136 is an frugal number, since it uses more digits than its factorization.

193649283136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 890 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 55.

It can be divided in two parts, 19364 and 9283136, that added together give a square (9302500 = 3050²).

The spelling of 193649283136 in words is "one hundred ninety-three billion, six hundred forty-nine million, two hundred eighty-three thousand, one hundred thirty-six".