69628547552 has 12 divisors (see below), whose sum is σ = 137081203056. Its totient is φ = 34814273760.

The previous prime is 69628547503. The next prime is 69628547563. The reversal of 69628547552 is 25574582696.

It is a happy number.

It is a super-2 number, since 2×69628547552² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69628547491 and 69628547500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087946024 + ... + 1087946087.

It is an arithmetic number, because the mean of its divisors is an integer number (11423433588).

Almost surely, 2^69628547552 is an apocalyptic number.

It is an amenable number.

69628547552 is a deficient number, since it is larger than the sum of its proper divisors (67452655504).

69628547552 is a wasteful number, since it uses less digits than its factorization.

69628547552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175892121 (or 2175892113 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 59.

The spelling of 69628547552 in words is "sixty-nine billion, six hundred twenty-eight million, five hundred forty-seven thousand, five hundred fifty-two".