45971941647 has 4 divisors (see below), whose sum is σ = 61295922200. Its totient is φ = 30647961096.

The previous prime is 45971941597. The next prime is 45971941651. The reversal of 45971941647 is 74614917954.

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

It is not a de Polignac number, because 45971941647 - 2¹¹ = 45971939599 is a prime.

It is a super-2 number, since 2×45971941647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45971941657) 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, 7661990272 + ... + 7661990277.

It is an arithmetic number, because the mean of its divisors is an integer number (15323980550).

Almost surely, 2^45971941647 is an apocalyptic number.

45971941647 is a deficient number, since it is larger than the sum of its proper divisors (15323980553).

45971941647 is a wasteful number, since it uses less digits than its factorization.

45971941647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15323980552.

The product of its digits is 7620480, while the sum is 57.

The spelling of 45971941647 in words is "forty-five billion, nine hundred seventy-one million, nine hundred forty-one thousand, six hundred forty-seven".