2647391452 has 12 divisors (see below), whose sum is σ = 4633790056. Its totient is φ = 1323451440.

The previous prime is 2647391447. The next prime is 2647391491. The reversal of 2647391452 is 2541937462.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2647391399 and 2647391408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35499 + ... + 80962.

Almost surely, 2^2647391452 is an apocalyptic number.

It is an amenable number.

2647391452 is a deficient number, since it is larger than the sum of its proper divisors (1986398604).

2647391452 is a wasteful number, since it uses less digits than its factorization.

2647391452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122148 (or 122146 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 2647391452 is about 51452.8080088930. The cubic root of 2647391452 is about 1383.3732941409.

The spelling of 2647391452 in words is "two billion, six hundred forty-seven million, three hundred ninety-one thousand, four hundred fifty-two".