61063653838 has 8 divisors (see below), whose sum is σ = 99922342680. Its totient is φ = 27756206280.

The previous prime is 61063653811. The next prime is 61063653869. The reversal of 61063653838 is 83835636016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61063653791 and 61063653800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387810293 + ... + 1387810336.

It is an arithmetic number, because the mean of its divisors is an integer number (12490292835).

Almost surely, 2^61063653838 is an apocalyptic number.

61063653838 is a deficient number, since it is larger than the sum of its proper divisors (38858688842).

61063653838 is a wasteful number, since it uses less digits than its factorization.

61063653838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775620642.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 61063653838 in words is "sixty-one billion, sixty-three million, six hundred fifty-three thousand, eight hundred thirty-eight".