4938698692091 has 2 divisors, whose sum is σ = 4938698692092. Its totient is φ = 4938698692090.

The previous prime is 4938698692069. The next prime is 4938698692111. The reversal of 4938698692091 is 1902968968394.

4938698692091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4938698692091 - 2⁶ = 4938698692027 is a prime.

It is a super-2 number, since 2×4938698692091² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4938698692051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469349346045 + 2469349346046.

It is an arithmetic number, because the mean of its divisors is an integer number (2469349346046).

Almost surely, 2^{4938698692091} is an apocalyptic number.

4938698692091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938698692091 is an equidigital number, since it uses as much as digits as its factorization.

4938698692091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362797056, while the sum is 74.

The spelling of 4938698692091 in words is "four trillion, nine hundred thirty-eight billion, six hundred ninety-eight million, six hundred ninety-two thousand, ninety-one".