5445815621607 has 48 divisors (see below), whose sum is σ = 8100185034240. Its totient is φ = 3523915829376.

The previous prime is 5445815621551. The next prime is 5445815621611. The reversal of 5445815621607 is 7061265185445.

5445815621607 is a `hidden beast` number, since 5 + 4 + 4 + 5 + 8 + 1 + 5 + 6 + 21 + 607 = 666.

It is not a de Polignac number, because 5445815621607 - 2⁷ = 5445815621479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445815621707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32114619 + ... + 32283747.

It is an arithmetic number, because the mean of its divisors is an integer number (168753854880).

Almost surely, 2^{5445815621607} is an apocalyptic number.

5445815621607 is a deficient number, since it is larger than the sum of its proper divisors (2654369412633).

5445815621607 is a wasteful number, since it uses less digits than its factorization.

5445815621607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169812 (or 169809 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 5445815621607 in words is "five trillion, four hundred forty-five billion, eight hundred fifteen million, six hundred twenty-one thousand, six hundred seven".