2051055046919 has 8 divisors (see below), whose sum is σ = 2117074346400. Its totient is φ = 1985592872736.

The previous prime is 2051055046907. The next prime is 2051055046933. The reversal of 2051055046919 is 9196405501502.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2051055046919 is a prime.

It is a super-2 number, since 2×2051055046919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051055049919) 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, 139273844 + ... + 139288569.

It is an arithmetic number, because the mean of its divisors is an integer number (264634293300).

Almost surely, 2^{2051055046919} is an apocalyptic number.

2051055046919 is a deficient number, since it is larger than the sum of its proper divisors (66019299481).

2051055046919 is a wasteful number, since it uses less digits than its factorization.

2051055046919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278562649.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 2051055046919 in words is "two trillion, fifty-one billion, fifty-five million, forty-six thousand, nine hundred nineteen".