2012653439 has 8 divisors (see below), whose sum is σ = 2026808448. Its totient is φ = 1998523800.

The previous prime is 2012653381. The next prime is 2012653457. The reversal of 2012653439 is 9343562102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2012653439 - 2⁸ = 2012653183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012653399 and 2012653408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012653339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169784 + ... + 181250.

It is an arithmetic number, because the mean of its divisors is an integer number (253351056).

Almost surely, 2^2012653439 is an apocalyptic number.

2012653439 is a deficient number, since it is larger than the sum of its proper divisors (14155009).

2012653439 is a wasteful number, since it uses less digits than its factorization.

2012653439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 2012653439 is about 44862.6062439533. The cubic root of 2012653439 is about 1262.5725217171.

The spelling of 2012653439 in words is "two billion, twelve million, six hundred fifty-three thousand, four hundred thirty-nine".