51365760363 has 16 divisors (see below), whose sum is σ = 76770855840. Its totient is φ = 33940795392.

The previous prime is 51365760319. The next prime is 51365760373. The reversal of 51365760363 is 36306756315.

51365760363 is a `hidden beast` number, since 5 + 1 + 36 + 5 + 7 + 603 + 6 + 3 = 666.

It is not a de Polignac number, because 51365760363 - 2¹⁷ = 51365629291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51365760373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8414806 + ... + 8420907.

It is an arithmetic number, because the mean of its divisors is an integer number (4798178490).

Almost surely, 2^51365760363 is an apocalyptic number.

51365760363 is a deficient number, since it is larger than the sum of its proper divisors (25405095477).

51365760363 is a wasteful number, since it uses less digits than its factorization.

51365760363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835835 (or 16835829 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 51365760363 in words is "fifty-one billion, three hundred sixty-five million, seven hundred sixty thousand, three hundred sixty-three".