913545993616 has 15 divisors (see below), whose sum is σ = 1770002770081. Its totient is φ = 456771085216.

The previous prime is 913545993571. The next prime is 913545993649. The reversal of 913545993616 is 616399545319.

The square root of 913545993616 is 955796.

It is a perfect power (a square), and thus also a powerful number.

913545993616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44772867216 + 868773126400 = 211596^2 + 932080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3703710 + ... + 3942658.

Almost surely, 2^913545993616 is an apocalyptic number.

913545993616 is the 955796-th square number.

It is an amenable number.

913545993616 is a deficient number, since it is larger than the sum of its proper divisors (856456776465).

913545993616 is an frugal number, since it uses more digits than its factorization.

913545993616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477906 (or 238951 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 61.

It can be divided in two parts, 913545 and 993616, that added together give a square (1907161 = 1381²).

The spelling of 913545993616 in words is "nine hundred thirteen billion, five hundred forty-five million, nine hundred ninety-three thousand, six hundred sixteen".