61265446441 has 8 divisors (see below), whose sum is σ = 62501301000. Its totient is φ = 60037059840.

The previous prime is 61265446427. The next prime is 61265446471. The reversal of 61265446441 is 14464456216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11356099225 + 49909347216 = 106565^2 + 223404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61265446441 - 2⁵ = 61265446409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61265446471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850416 + ... + 1883233.

It is an arithmetic number, because the mean of its divisors is an integer number (7812662625).

Almost surely, 2^61265446441 is an apocalyptic number.

61265446441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

61265446441 is a deficient number, since it is larger than the sum of its proper divisors (1235854559).

61265446441 is a wasteful number, since it uses less digits than its factorization.

61265446441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733979.

The product of its digits is 552960, while the sum is 43.

The spelling of 61265446441 in words is "sixty-one billion, two hundred sixty-five million, four hundred forty-six thousand, four hundred forty-one".