4254213337949 has 2 divisors, whose sum is σ = 4254213337950. Its totient is φ = 4254213337948.

The previous prime is 4254213337903. The next prime is 4254213337961. The reversal of 4254213337949 is 9497333124524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3833693512324 + 420519825625 = 1957982^2 + 648475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4254213337949 is a prime.

It is a super-2 number, since 2×4254213337949² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4254213337894 and 4254213337903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4254216337949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127106668974 + 2127106668975.

It is an arithmetic number, because the mean of its divisors is an integer number (2127106668975).

Almost surely, 2^{4254213337949} is an apocalyptic number.

It is an amenable number.

4254213337949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4254213337949 is an equidigital number, since it uses as much as digits as its factorization.

4254213337949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 56.

The spelling of 4254213337949 in words is "four trillion, two hundred fifty-four billion, two hundred thirteen million, three hundred thirty-seven thousand, nine hundred forty-nine".