2051417993 has 8 divisors (see below), whose sum is σ = 2082825312. Its totient is φ = 2020034016.

The previous prime is 2051417989. The next prime is 2051418007. The reversal of 2051417993 is 3997141502.

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 2051417993 - 2² = 2051417989 is a prime.

It is a super-3 number, since 3×2051417993³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051417993.

It is not an unprimeable number, because it can be changed into a prime (2051417393) 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, 268046 + ... + 275592.

It is an arithmetic number, because the mean of its divisors is an integer number (260353164).

Almost surely, 2^2051417993 is an apocalyptic number.

It is an amenable number.

2051417993 is a deficient number, since it is larger than the sum of its proper divisors (31407319).

2051417993 is an equidigital number, since it uses as much as digits as its factorization.

2051417993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11671.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 2051417993 is about 45292.5820968511. The cubic root of 2051417993 is about 1270.6269236152.

The spelling of 2051417993 in words is "two billion, fifty-one million, four hundred seventeen thousand, nine hundred ninety-three".