5451930391545 has 64 divisors (see below), whose sum is σ = 10638308966400. Its totient is φ = 2627143139520.

The previous prime is 5451930391513. The next prime is 5451930391553.

5451930391545 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 9 + 3 + 0 + 3 + 91 + 545 = 666.

5451930391545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5451930391545 - 2⁵ = 5451930391513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5451930391491 and 5451930391500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11019705 + ... + 11503814.

It is an arithmetic number, because the mean of its divisors is an integer number (166223577600).

Almost surely, 2^{5451930391545} is an apocalyptic number.

5451930391545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5451930391545 is a deficient number, since it is larger than the sum of its proper divisors (5186378574855).

5451930391545 is a wasteful number, since it uses less digits than its factorization.

5451930391545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22523707 (or 22523701 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 54.

The spelling of 5451930391545 in words is "five trillion, four hundred fifty-one billion, nine hundred thirty million, three hundred ninety-one thousand, five hundred forty-five".