2969649867 has 16 divisors (see below), whose sum is σ = 4089344000. Its totient is φ = 1914926400.

The previous prime is 2969649857. The next prime is 2969649871. The reversal of 2969649867 is 7689469692.

It is not a de Polignac number, because 2969649867 - 2¹² = 2969645771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2969649798 and 2969649807.

It is not an unprimeable number, because it can be changed into a prime (2969649817) 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, 205134 + ... + 219132.

It is an arithmetic number, because the mean of its divisors is an integer number (255584000).

Almost surely, 2^2969649867 is an apocalyptic number.

2969649867 is a deficient number, since it is larger than the sum of its proper divisors (1119694133).

2969649867 is a wasteful number, since it uses less digits than its factorization.

2969649867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16314.

The product of its digits is 70543872, while the sum is 66.

The square root of 2969649867 is about 54494.4939145231. The cubic root of 2969649867 is about 1437.3694688987.

The spelling of 2969649867 in words is "two billion, nine hundred sixty-nine million, six hundred forty-nine thousand, eight hundred sixty-seven".