49568065945 has 16 divisors (see below), whose sum is σ = 64013077008. Its totient is φ = 36710000640.

The previous prime is 49568065927. The next prime is 49568065993. The reversal of 49568065945 is 54956086594.

It can be written as a sum of positive squares in 8 ways, for example, as 454414489 + 49113651456 = 21317^2 + 221616^2 .

It is not a de Polignac number, because 49568065945 - 2⁷ = 49568065817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4774764 + ... + 4785133.

It is an arithmetic number, because the mean of its divisors is an integer number (4000817313).

Almost surely, 2^49568065945 is an apocalyptic number.

It is an amenable number.

49568065945 is a deficient number, since it is larger than the sum of its proper divisors (14445011063).

49568065945 is a wasteful number, since it uses less digits than its factorization.

49568065945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559980.

The product of its (nonzero) digits is 46656000, while the sum is 61.

The spelling of 49568065945 in words is "forty-nine billion, five hundred sixty-eight million, sixty-five thousand, nine hundred forty-five".