7740471481445 has 8 divisors (see below), whose sum is σ = 9608861149560. Its totient is φ = 5978846937280.

The previous prime is 7740471481417. The next prime is 7740471481471. The reversal of 7740471481445 is 5441841740477.

It can be written as a sum of positive squares in 4 ways, for example, as 11176295524 + 7729295185921 = 105718^2 + 2780161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7740471481445 - 2¹⁰ = 7740471480421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26691280826 + ... + 26691281115.

It is an arithmetic number, because the mean of its divisors is an integer number (1201107643695).

Almost surely, 2^{7740471481445} is an apocalyptic number.

It is an amenable number.

7740471481445 is a deficient number, since it is larger than the sum of its proper divisors (1868389668115).

7740471481445 is a wasteful number, since it uses less digits than its factorization.

7740471481445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53382561975.

The product of its (nonzero) digits is 14049280, while the sum is 56.

The spelling of 7740471481445 in words is "seven trillion, seven hundred forty billion, four hundred seventy-one million, four hundred eighty-one thousand, four hundred forty-five".