545413431551 has 4 divisors (see below), whose sum is σ = 545419500000. Its totient is φ = 545407363104.

The previous prime is 545413431547. The next prime is 545413431613. The reversal of 545413431551 is 155134314545.

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

It is a cyclic number.

It is not a de Polignac number, because 545413431551 - 2² = 545413431547 is a prime.

It is a super-2 number, since 2×545413431551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545413431499 and 545413431508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545413421551) 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, 2897351 + ... + 3079848.

It is an arithmetic number, because the mean of its divisors is an integer number (136354875000).

Almost surely, 2^545413431551 is an apocalyptic number.

545413431551 is a deficient number, since it is larger than the sum of its proper divisors (6068449).

545413431551 is an equidigital number, since it uses as much as digits as its factorization.

545413431551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068448.

The product of its digits is 360000, while the sum is 41.

The spelling of 545413431551 in words is "five hundred forty-five billion, four hundred thirteen million, four hundred thirty-one thousand, five hundred fifty-one".