69936541830 has 128 divisors (see below), whose sum is σ = 195350538240. Its totient is φ = 17770642560.

The previous prime is 69936541819. The next prime is 69936541847. The reversal of 69936541830 is 3814563996.

69936541830 is a `hidden beast` number, since 6 + 9 + 93 + 6 + 541 + 8 + 3 + 0 = 666.

It is a super-2 number, since 2×69936541830² (a number of 22 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1611820 + ... + 1654640.

It is an arithmetic number, because the mean of its divisors is an integer number (1526176080).

Almost surely, 2^69936541830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69936541830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97675269120).

69936541830 is an abundant number, since it is smaller than the sum of its proper divisors (125413996410).

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

69936541830 is a wasteful number, since it uses less digits than its factorization.

69936541830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43123 (or 43117 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 69936541830 in words is "sixty-nine billion, nine hundred thirty-six million, five hundred forty-one thousand, eight hundred thirty".