49145293765 has 8 divisors (see below), whose sum is σ = 59037839640. Its totient is φ = 39273910272.

The previous prime is 49145293763. The next prime is 49145293801. The reversal of 49145293765 is 56739254194.

It can be written as a sum of positive squares in 4 ways, for example, as 4472666884 + 44672626881 = 66878^2 + 211359^2 .

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 49145293765 - 2¹ = 49145293763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49145293763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5285484 + ... + 5294773.

It is an arithmetic number, because the mean of its divisors is an integer number (7379729955).

Almost surely, 2^49145293765 is an apocalyptic number.

It is an amenable number.

49145293765 is a deficient number, since it is larger than the sum of its proper divisors (9892545875).

49145293765 is a wasteful number, since it uses less digits than its factorization.

49145293765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10581191.

The product of its digits is 8164800, while the sum is 55.

The spelling of 49145293765 in words is "forty-nine billion, one hundred forty-five million, two hundred ninety-three thousand, seven hundred sixty-five".