44747061397 has 4 divisors (see below), whose sum is σ = 44859774796. Its totient is φ = 44634348000.

The previous prime is 44747061347. The next prime is 44747061413. The reversal of 44747061397 is 79316074744.

44747061397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23590195281 + 21156866116 = 153591^2 + 145454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44747061397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44747061347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56356104 + ... + 56356897.

It is an arithmetic number, because the mean of its divisors is an integer number (11214943699).

Almost surely, 2^44747061397 is an apocalyptic number.

It is an amenable number.

44747061397 is a deficient number, since it is larger than the sum of its proper divisors (112713399).

44747061397 is a wasteful number, since it uses less digits than its factorization.

44747061397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112713398.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 44747061397 in words is "forty-four billion, seven hundred forty-seven million, sixty-one thousand, three hundred ninety-seven".