4136251397 has 2 divisors, whose sum is σ = 4136251398. Its totient is φ = 4136251396.

The previous prime is 4136251369. The next prime is 4136251447. The reversal of 4136251397 is 7931526314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3523490881 + 612760516 = 59359^2 + 24754^2 .

It is a cyclic number.

It is not a de Polignac number, because 4136251397 - 2⁶ = 4136251333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4136251337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068125698 + 2068125699.

It is an arithmetic number, because the mean of its divisors is an integer number (2068125699).

Almost surely, 2^4136251397 is an apocalyptic number.

It is an amenable number.

4136251397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4136251397 is an equidigital number, since it uses as much as digits as its factorization.

4136251397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 4136251397 is about 64313.6952522556. The cubic root of 4136251397 is about 1605.2239924441.

The spelling of 4136251397 in words is "four billion, one hundred thirty-six million, two hundred fifty-one thousand, three hundred ninety-seven".