2919397450 has 24 divisors (see below), whose sum is σ = 5440550220. Its totient is φ = 1165507200.

The previous prime is 2919397423. The next prime is 2919397483. The reversal of 2919397450 is 547939192.

It can be written as a sum of positive squares in 6 ways, for example, as 673869681 + 2245527769 = 25959^2 + 47387^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2919397394 and 2919397403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29985 + ... + 82084.

Almost surely, 2^2919397450 is an apocalyptic number.

2919397450 is a deficient number, since it is larger than the sum of its proper divisors (2521152770).

2919397450 is a wasteful number, since it uses less digits than its factorization.

2919397450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112602 (or 112597 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 2919397450 is about 54031.4487127636. The cubic root of 2919397450 is about 1429.2155787200.

The spelling of 2919397450 in words is "two billion, nine hundred nineteen million, three hundred ninety-seven thousand, four hundred fifty".