426131012249 has 2 divisors, whose sum is σ = 426131012250. Its totient is φ = 426131012248.

The previous prime is 426131012231. The next prime is 426131012257. The reversal of 426131012249 is 942210131624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 383253855625 + 42877156624 = 619075^2 + 207068^2 .

It is a cyclic number.

It is not a de Polignac number, because 426131012249 - 2²⁸ = 425862576793 is a prime.

It is a super-4 number, since 4×426131012249⁴ (a number of 48 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (426131012269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213065506124 + 213065506125.

It is an arithmetic number, because the mean of its divisors is an integer number (213065506125).

Almost surely, 2^426131012249 is an apocalyptic number.

It is an amenable number.

426131012249 is a deficient number, since it is larger than the sum of its proper divisors (1).

426131012249 is an equidigital number, since it uses as much as digits as its factorization.

426131012249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 426131012249 in words is "four hundred twenty-six billion, one hundred thirty-one million, twelve thousand, two hundred forty-nine".