69439628196 has 81 divisors (see below), whose sum is σ = 180552271809. Its totient is φ = 22501987488.

The previous prime is 69439628191. The next prime is 69439628201. The reversal of 69439628196 is 69182693496.

The square root of 69439628196 is 263514.

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

69439628196 is a `hidden beast` number, since 6 + 9 + 439 + 6 + 2 + 8 + 196 = 666.

It is an interprime number because it is at equal distance from previous prime (69439628191) and next prime (69439628201).

It can be written as a sum of positive squares in only one way, i.e., 62135532900 + 7304095296 = 249270^2 + 85464^2 .

It is not an unprimeable number, because it can be changed into a prime (69439628191) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 58499515 + ... + 58500701.

Almost surely, 2^69439628196 is an apocalyptic number.

69439628196 is the 263514-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69439628196

69439628196 is an abundant number, since it is smaller than the sum of its proper divisors (111112643613).

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

69439628196 is a wasteful number, since it uses less digits than its factorization.

69439628196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458 (or 1229 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 69439628196 in words is "sixty-nine billion, four hundred thirty-nine million, six hundred twenty-eight thousand, one hundred ninety-six".