49321953145 has 8 divisors (see below), whose sum is σ = 61227252360. Its totient is φ = 38096956800.

The previous prime is 49321953133. The next prime is 49321953151. The reversal of 49321953145 is 54135912394.

It can be written as a sum of positive squares in 4 ways, for example, as 14466556729 + 34855396416 = 120277^2 + 186696^2 .

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

It is not a de Polignac number, because 49321953145 - 2¹⁷ = 49321822073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49321953095 and 49321953104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170075556 + ... + 170075845.

It is an arithmetic number, because the mean of its divisors is an integer number (7653406545).

Almost surely, 2^49321953145 is an apocalyptic number.

It is an amenable number.

49321953145 is a deficient number, since it is larger than the sum of its proper divisors (11905299215).

49321953145 is a wasteful number, since it uses less digits than its factorization.

49321953145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340151435.

The product of its digits is 583200, while the sum is 46.

The spelling of 49321953145 in words is "forty-nine billion, three hundred twenty-one million, nine hundred fifty-three thousand, one hundred forty-five".