45518620647 has 8 divisors (see below), whose sum is σ = 61836616944. Its totient is φ = 29773185728.

The previous prime is 45518620573. The next prime is 45518620681. The reversal of 45518620647 is 74602681554.

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 45518620647 - 2¹⁰ = 45518619623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45518620596 and 45518620605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45518620247) 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, 143140158 + ... + 143140475.

It is an arithmetic number, because the mean of its divisors is an integer number (7729577118).

Almost surely, 2^45518620647 is an apocalyptic number.

45518620647 is a deficient number, since it is larger than the sum of its proper divisors (16317996297).

45518620647 is a wasteful number, since it uses less digits than its factorization.

45518620647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286280689.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 45518620647 in words is "forty-five billion, five hundred eighteen million, six hundred twenty thousand, six hundred forty-seven".