919379049 has 16 divisors (see below), whose sum is σ = 1291303680. Its totient is φ = 580234320.

The previous prime is 919379017. The next prime is 919379051. The reversal of 919379049 is 940973919.

It is not a de Polignac number, because 919379049 - 2⁵ = 919379017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 919378992 and 919379010.

It is not an unprimeable number, because it can be changed into a prime (919379749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84414 + ... + 94680.

It is an arithmetic number, because the mean of its divisors is an integer number (80706480).

Almost surely, 2^919379049 is an apocalyptic number.

It is an amenable number.

919379049 is a deficient number, since it is larger than the sum of its proper divisors (371924631).

919379049 is a wasteful number, since it uses less digits than its factorization.

919379049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11860.

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 919379049 is about 30321.2639743135. The cubic root of 919379049 is about 972.3699617519.

The spelling of 919379049 in words is "nine hundred nineteen million, three hundred seventy-nine thousand, forty-nine".