5442361645 has 48 divisors (see below), whose sum is σ = 7691060160. Its totient is φ = 3686086656.

The previous prime is 5442361621. The next prime is 5442361667. The reversal of 5442361645 is 5461632445.

It is not a de Polignac number, because 5442361645 - 2⁷ = 5442361517 is a prime.

It is a super-3 number, since 3×5442361645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5442361598 and 5442361607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8463694 + ... + 8464336.

It is an arithmetic number, because the mean of its divisors is an integer number (160230420).

Almost surely, 2^5442361645 is an apocalyptic number.

It is an amenable number.

5442361645 is a deficient number, since it is larger than the sum of its proper divisors (2248698515).

5442361645 is a wasteful number, since it uses less digits than its factorization.

5442361645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1027 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 5442361645 is about 73772.3636940013. The cubic root of 5442361645 is about 1758.9863357396.

The spelling of 5442361645 in words is "five billion, four hundred forty-two million, three hundred sixty-one thousand, six hundred forty-five".