4157226389 has 2 divisors, whose sum is σ = 4157226390. Its totient is φ = 4157226388.

The previous prime is 4157226377. The next prime is 4157226439. The reversal of 4157226389 is 9836227514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3603000625 + 554225764 = 60025^2 + 23542^2 .

It is a cyclic number.

It is not a de Polignac number, because 4157226389 - 2²⁰ = 4156177813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4157226329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078613194 + 2078613195.

It is an arithmetic number, because the mean of its divisors is an integer number (2078613195).

Almost surely, 2^4157226389 is an apocalyptic number.

It is an amenable number.

4157226389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4157226389 is an equidigital number, since it uses as much as digits as its factorization.

4157226389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 4157226389 is about 64476.5568947350. The cubic root of 4157226389 is about 1607.9327903406.

The spelling of 4157226389 in words is "four billion, one hundred fifty-seven million, two hundred twenty-six thousand, three hundred eighty-nine".