45940047648769 has 8 divisors (see below), whose sum is σ = 46373602759848. Its totient is φ = 45508467732480.

The previous prime is 45940047648751. The next prime is 45940047648797. The reversal of 45940047648769 is 96784674004954.

It can be written as a sum of positive squares in 4 ways, for example, as 22431969337600 + 23508078311169 = 4736240^2 + 4848513^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45940047648769 - 2²³ = 45940039260161 is a prime.

It is a super-2 number, since 2×45940047648769² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45940027648769) 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, 493751962 + ... + 493844995.

It is an arithmetic number, because the mean of its divisors is an integer number (5796700344981).

Almost surely, 2^{45940047648769} is an apocalyptic number.

It is an amenable number.

45940047648769 is a deficient number, since it is larger than the sum of its proper divisors (433555111079).

45940047648769 is a wasteful number, since it uses less digits than its factorization.

45940047648769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987597395.

The product of its (nonzero) digits is 1463132160, while the sum is 73.

The spelling of 45940047648769 in words is "forty-five trillion, nine hundred forty billion, forty-seven million, six hundred forty-eight thousand, seven hundred sixty-nine".