919456051 has 4 divisors (see below), whose sum is σ = 919801432. Its totient is φ = 919110672.

The previous prime is 919456039. The next prime is 919456061. The reversal of 919456051 is 150654919.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 919456051 - 2⁵ = 919456019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 919455995 and 919456013.

It is not an unprimeable number, because it can be changed into a prime (919456061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168666 + ... + 174031.

It is an arithmetic number, because the mean of its divisors is an integer number (229950358).

Almost surely, 2^919456051 is an apocalyptic number.

919456051 is a deficient number, since it is larger than the sum of its proper divisors (345381).

919456051 is a wasteful number, since it uses less digits than its factorization.

919456051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345380.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 919456051 is about 30322.5337166933. The cubic root of 919456051 is about 972.3971077340.

The spelling of 919456051 in words is "nine hundred nineteen million, four hundred fifty-six thousand, fifty-one".