612788049 has 24 divisors (see below), whose sum is σ = 895175424. Its totient is φ = 403920000.

The previous prime is 612788047. The next prime is 612788119. The reversal of 612788049 is 940887216.

It is not a de Polignac number, because 612788049 - 2¹ = 612788047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612787995 and 612788013.

It is not an unprimeable number, because it can be changed into a prime (612788041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 326584 + ... + 328454.

It is an arithmetic number, because the mean of its divisors is an integer number (37298976).

Almost surely, 2^612788049 is an apocalyptic number.

It is an amenable number.

612788049 is a deficient number, since it is larger than the sum of its proper divisors (282387375).

612788049 is a wasteful number, since it uses less digits than its factorization.

612788049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2266 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 612788049 is about 24754.5561260953. The cubic root of 612788049 is about 849.3827347836.

The spelling of 612788049 in words is "six hundred twelve million, seven hundred eighty-eight thousand, forty-nine".