4094499421 has 2 divisors, whose sum is σ = 4094499422. Its totient is φ = 4094499420.

The previous prime is 4094499403. The next prime is 4094499427. The reversal of 4094499421 is 1249944904.

4094499421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2759400900 + 1335098521 = 52530^2 + 36539^2 .

It is a cyclic number.

It is not a de Polignac number, because 4094499421 - 2⁵ = 4094499389 is a prime.

It is a super-3 number, since 3×4094499421³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4094499427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2047249710 + 2047249711.

It is an arithmetic number, because the mean of its divisors is an integer number (2047249711).

Almost surely, 2^4094499421 is an apocalyptic number.

It is an amenable number.

4094499421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4094499421 is an equidigital number, since it uses as much as digits as its factorization.

4094499421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 4094499421 is about 63988.2756526537. The cubic root of 4094499421 is about 1599.8045882443.

The spelling of 4094499421 in words is "four billion, ninety-four million, four hundred ninety-nine thousand, four hundred twenty-one".