5445192261 has 4 divisors (see below), whose sum is σ = 7260256352. Its totient is φ = 3630128172.

The previous prime is 5445192251. The next prime is 5445192287. The reversal of 5445192261 is 1622915445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5445192261 - 2¹⁴ = 5445175877 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 (5445192241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907532041 + ... + 907532046.

It is an arithmetic number, because the mean of its divisors is an integer number (1815064088).

Almost surely, 2^5445192261 is an apocalyptic number.

It is an amenable number.

5445192261 is a deficient number, since it is larger than the sum of its proper divisors (1815064091).

5445192261 is a wasteful number, since it uses less digits than its factorization.

5445192261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815064090.

The product of its digits is 86400, while the sum is 39.

The square root of 5445192261 is about 73791.5459995249. The cubic root of 5445192261 is about 1759.2912371918.

The spelling of 5445192261 in words is "five billion, four hundred forty-five million, one hundred ninety-two thousand, two hundred sixty-one".