2661974095 has 16 divisors (see below), whose sum is σ = 3543834240. Its totient is φ = 1903165600.

The previous prime is 2661974083. The next prime is 2661974143. The reversal of 2661974095 is 5904791662.

It is a happy number.

It is not a de Polignac number, because 2661974095 - 2¹⁵ = 2661941327 is a prime.

It is a super-2 number, since 2×2661974095² = 14172212164902138050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406921 + ... + 413410.

It is an arithmetic number, because the mean of its divisors is an integer number (221489640).

Almost surely, 2^2661974095 is an apocalyptic number.

2661974095 is a deficient number, since it is larger than the sum of its proper divisors (881860145).

2661974095 is a wasteful number, since it uses less digits than its factorization.

2661974095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820406.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2661974095 is about 51594.3223136035. The cubic root of 2661974095 is about 1385.9086592424.

The spelling of 2661974095 in words is "two billion, six hundred sixty-one million, nine hundred seventy-four thousand, ninety-five".