2912547438 has 24 divisors (see below), whose sum is σ = 6329258208. Its totient is φ = 967966272.

The previous prime is 2912547427. The next prime is 2912547461. The reversal of 2912547438 is 8347452192.

2912547438 is a `hidden beast` number, since 29 + 125 + 474 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2912547393 and 2912547402.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 234006 + ... + 246137.

It is an arithmetic number, because the mean of its divisors is an integer number (263719092).

Almost surely, 2^2912547438 is an apocalyptic number.

2912547438 is an abundant number, since it is smaller than the sum of its proper divisors (3416710770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2912547438 is a wasteful number, since it uses less digits than its factorization.

2912547438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480488 (or 480485 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2912547438 is about 53968.0223651006. The cubic root of 2912547438 is about 1428.0968762985.

The spelling of 2912547438 in words is "two billion, nine hundred twelve million, five hundred forty-seven thousand, four hundred thirty-eight".