726016601013226 has 4 divisors (see below), whose sum is σ = 1089024901519842. Its totient is φ = 363008300506612.

The previous prime is 726016601013211. The next prime is 726016601013233. The reversal of 726016601013226 is 622310106610627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 708685574080201 + 17331026933025 = 26621149^2 + 4163055^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181504150253305 + ... + 181504150253308.

Almost surely, 2^{726016601013226} is an apocalyptic number.

726016601013226 is a deficient number, since it is larger than the sum of its proper divisors (363008300506616).

726016601013226 is a wasteful number, since it uses less digits than its factorization.

726016601013226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363008300506615.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 726016601013226 in words is "seven hundred twenty-six trillion, sixteen billion, six hundred one million, thirteen thousand, two hundred twenty-six".