726421364501 has 32 divisors (see below), whose sum is σ = 896308277760. Its totient is φ = 574945265664.

The previous prime is 726421364497. The next prime is 726421364569. The reversal of 726421364501 is 105463124627.

It is not a de Polignac number, because 726421364501 - 2² = 726421364497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726421364101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51319241 + ... + 51333393.

It is an arithmetic number, because the mean of its divisors is an integer number (28009633680).

Almost surely, 2^726421364501 is an apocalyptic number.

It is an amenable number.

726421364501 is a deficient number, since it is larger than the sum of its proper divisors (169886913259).

726421364501 is a wasteful number, since it uses less digits than its factorization.

726421364501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25205.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 726421364501 in words is "seven hundred twenty-six billion, four hundred twenty-one million, three hundred sixty-four thousand, five hundred one".