247113237652 has 6 divisors (see below), whose sum is σ = 432448165898. Its totient is φ = 123556618824.

The previous prime is 247113237629. The next prime is 247113237689. The reversal of 247113237652 is 256732311742.

It can be written as a sum of positive squares in only one way, i.e., 140742024336 + 106371213316 = 375156^2 + 326146^2 .

It is a super-2 number, since 2×247113237652² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247113237599 and 247113237608.

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, 30889154703 + ... + 30889154710.

Almost surely, 2^247113237652 is an apocalyptic number.

It is an amenable number.

247113237652 is a deficient number, since it is larger than the sum of its proper divisors (185334928246).

247113237652 is a wasteful number, since it uses less digits than its factorization.

247113237652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61778309417 (or 61778309415 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The spelling of 247113237652 in words is "two hundred forty-seven billion, one hundred thirteen million, two hundred thirty-seven thousand, six hundred fifty-two".