2954197561 has 8 divisors (see below), whose sum is σ = 3407780160. Its totient is φ = 2508503568.

The previous prime is 2954197541. The next prime is 2954197583. The reversal of 2954197561 is 1657914592.

It is a happy number.

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 2954197561 - 2⁵ = 2954197529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2954197531) 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, 1971346 + ... + 1972843.

It is an arithmetic number, because the mean of its divisors is an integer number (425972520).

Almost surely, 2^2954197561 is an apocalyptic number.

It is an amenable number.

2954197561 is a deficient number, since it is larger than the sum of its proper divisors (453582599).

2954197561 is a wasteful number, since it uses less digits than its factorization.

2954197561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944303.

The product of its digits is 680400, while the sum is 49.

The square root of 2954197561 is about 54352.5304010770. The cubic root of 2954197561 is about 1434.8720579397.

The spelling of 2954197561 in words is "two billion, nine hundred fifty-four million, one hundred ninety-seven thousand, five hundred sixty-one".