51201351349 has 32 divisors (see below), whose sum is σ = 55827947520. Its totient is φ = 46776517632.

The previous prime is 51201351293. The next prime is 51201351371. The reversal of 51201351349 is 94315310215.

It is a cyclic number.

It is not a de Polignac number, because 51201351349 - 2¹⁹ = 51200827061 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 (51201351049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40031692 + ... + 40032970.

It is an arithmetic number, because the mean of its divisors is an integer number (1744623360).

Almost surely, 2^51201351349 is an apocalyptic number.

It is an amenable number.

51201351349 is a deficient number, since it is larger than the sum of its proper divisors (4626596171).

51201351349 is a wasteful number, since it uses less digits than its factorization.

51201351349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 51201351349 in words is "fifty-one billion, two hundred one million, three hundred fifty-one thousand, three hundred forty-nine".