722906452971 has 8 divisors (see below), whose sum is σ = 1070972522960. Its totient is φ = 481937635296.

The previous prime is 722906452913. The next prime is 722906452993. The reversal of 722906452971 is 179254609227.

722906452971 is a `hidden beast` number, since 7 + 2 + 290 + 64 + 5 + 297 + 1 = 666.

It is not a de Polignac number, because 722906452971 - 2¹³ = 722906444779 is a prime.

It is a super-3 number, since 3×722906452971³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722906452901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13387156510 + ... + 13387156563.

It is an arithmetic number, because the mean of its divisors is an integer number (133871565370).

Almost surely, 2^722906452971 is an apocalyptic number.

722906452971 is a deficient number, since it is larger than the sum of its proper divisors (348066069989).

722906452971 is a wasteful number, since it uses less digits than its factorization.

722906452971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26774313082 (or 26774313076 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 722906452971 in words is "seven hundred twenty-two billion, nine hundred six million, four hundred fifty-two thousand, nine hundred seventy-one".