5461551645 has 16 divisors (see below), whose sum is σ = 9532890432. Its totient is φ = 2648024960.

The previous prime is 5461551607. The next prime is 5461551659.

5461551645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5461551645 - 2⁶ = 5461551581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5461551597 and 5461551606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16549992 + ... + 16550321.

It is an arithmetic number, because the mean of its divisors is an integer number (595805652).

Almost surely, 2^5461551645 is an apocalyptic number.

5461551645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5461551645 is a deficient number, since it is larger than the sum of its proper divisors (4071338787).

5461551645 is a wasteful number, since it uses less digits than its factorization.

5461551645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33100332.

The product of its digits is 360000, while the sum is 42.

The square root of 5461551645 is about 73902.3114997089. The cubic root of 5461551645 is about 1761.0513309090.

The spelling of 5461551645 in words is "five billion, four hundred sixty-one million, five hundred fifty-one thousand, six hundred forty-five".