5451777013 has 4 divisors (see below), whose sum is σ = 5452025068. Its totient is φ = 5451528960.

The previous prime is 5451777007. The next prime is 5451777017. The reversal of 5451777013 is 3107771545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679606289 + 3772170724 = 40983^2 + 61418^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451777013 - 2⁹ = 5451776501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451777017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87468 + ... + 136213.

It is an arithmetic number, because the mean of its divisors is an integer number (1363006267).

Almost surely, 2^5451777013 is an apocalyptic number.

It is an amenable number.

5451777013 is a deficient number, since it is larger than the sum of its proper divisors (248055).

5451777013 is a wasteful number, since it uses less digits than its factorization.

5451777013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248054.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 5451777013 is about 73836.1497709625. The cubic root of 5451777013 is about 1760.0001090091. Note that the first 3 decimals are identical.

The spelling of 5451777013 in words is "five billion, four hundred fifty-one million, seven hundred seventy-seven thousand, thirteen".