2947397369 has 16 divisors (see below), whose sum is σ = 3429651456. Its totient is φ = 2480730000.

The previous prime is 2947397351. The next prime is 2947397407. The reversal of 2947397369 is 9637937492.

It is not a de Polignac number, because 2947397369 - 2²⁰ = 2946348793 is a prime.

It is a super-2 number, since 2×2947397369² = 17374302501576244322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2947397309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112934 + ... + 136560.

It is an arithmetic number, because the mean of its divisors is an integer number (214353216).

Almost surely, 2^2947397369 is an apocalyptic number.

It is an amenable number.

2947397369 is a deficient number, since it is larger than the sum of its proper divisors (482254087).

2947397369 is a wasteful number, since it uses less digits than its factorization.

2947397369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956.

The product of its digits is 15431472, while the sum is 59.

The square root of 2947397369 is about 54289.9380088060. The cubic root of 2947397369 is about 1433.7702469684.

The spelling of 2947397369 in words is "two billion, nine hundred forty-seven million, three hundred ninety-seven thousand, three hundred sixty-nine".