693861379363 has 2 divisors, whose sum is σ = 693861379364. Its totient is φ = 693861379362.

The previous prime is 693861379349. The next prime is 693861379457. The reversal of 693861379363 is 363973168396.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693861379363 is a prime.

It is a super-2 number, since 2×693861379363² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 693861379295 and 693861379304.

It is not a weakly prime, because it can be changed into another prime (693861379303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346930689681 + 346930689682.

It is an arithmetic number, because the mean of its divisors is an integer number (346930689682).

Almost surely, 2^693861379363 is an apocalyptic number.

693861379363 is a deficient number, since it is larger than the sum of its proper divisors (1).

693861379363 is an equidigital number, since it uses as much as digits as its factorization.

693861379363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79361856, while the sum is 64.

The spelling of 693861379363 in words is "six hundred ninety-three billion, eight hundred sixty-one million, three hundred seventy-nine thousand, three hundred sixty-three".