5460547781 has 36 divisors (see below), whose sum is σ = 6354137412. Its totient is φ = 4663655424.

The previous prime is 5460547751. The next prime is 5460547787. The reversal of 5460547781 is 1877450645.

It can be written as a sum of positive squares in 6 ways, for example, as 112550881 + 5347996900 = 10609^2 + 73130^2 .

It is not a de Polignac number, because 5460547781 - 2¹⁸ = 5460285637 is a prime.

It is a super-2 number, since 2×5460547781² = 59635164137168047922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5460547787) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39857945 + ... + 39858081.

It is an arithmetic number, because the mean of its divisors is an integer number (176503817).

Almost surely, 2^5460547781 is an apocalyptic number.

It is an amenable number.

5460547781 is a deficient number, since it is larger than the sum of its proper divisors (893589631).

5460547781 is a wasteful number, since it uses less digits than its factorization.

5460547781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 5460547781 is about 73895.5193567242. The cubic root of 5460547781 is about 1760.9434272415.

The spelling of 5460547781 in words is "five billion, four hundred sixty million, five hundred forty-seven thousand, seven hundred eighty-one".