726684150949 has 2 divisors, whose sum is σ = 726684150950. Its totient is φ = 726684150948.

The previous prime is 726684150937. The next prime is 726684150953. The reversal of 726684150949 is 949051486627.

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., 558569390625 + 168114760324 = 747375^2 + 410018^2 .

It is a cyclic number.

It is not a de Polignac number, because 726684150949 - 2¹¹ = 726684148901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726684150349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363342075474 + 363342075475.

It is an arithmetic number, because the mean of its divisors is an integer number (363342075475).

Almost surely, 2^726684150949 is an apocalyptic number.

It is an amenable number.

726684150949 is a deficient number, since it is larger than the sum of its proper divisors (1).

726684150949 is an equidigital number, since it uses as much as digits as its factorization.

726684150949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 726684150949 in words is "seven hundred twenty-six billion, six hundred eighty-four million, one hundred fifty thousand, nine hundred forty-nine".