4938049091 has 2 divisors, whose sum is σ = 4938049092. Its totient is φ = 4938049090.

The previous prime is 4938049043. The next prime is 4938049097. The reversal of 4938049091 is 1909408394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4938049091 - 2¹⁴ = 4938032707 is a prime.

It is not a weakly prime, because it can be changed into another prime (4938049097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469024545 + 2469024546.

It is an arithmetic number, because the mean of its divisors is an integer number (2469024546).

Almost surely, 2^4938049091 is an apocalyptic number.

4938049091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938049091 is an equidigital number, since it uses as much as digits as its factorization.

4938049091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 4938049091 is about 70271.2536603695. The cubic root of 4938049091 is about 1702.8842721998.

The spelling of 4938049091 in words is "four billion, nine hundred thirty-eight million, forty-nine thousand, ninety-one".