2952109781 has 32 divisors (see below), whose sum is σ = 3317760000. Its totient is φ = 2615094720.

The previous prime is 2952109763. The next prime is 2952109801. The reversal of 2952109781 is 1879012592.

It is a happy number.

It is not a de Polignac number, because 2952109781 - 2³⁰ = 1878367957 is a prime.

It is a super-2 number, since 2×2952109781² = 17429904318151735922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2952109711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2307500 + ... + 2308778.

It is an arithmetic number, because the mean of its divisors is an integer number (103680000).

Almost surely, 2^2952109781 is an apocalyptic number.

It is an amenable number.

2952109781 is a deficient number, since it is larger than the sum of its proper divisors (365650219).

2952109781 is a wasteful number, since it uses less digits than its factorization.

2952109781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 2952109781 is about 54333.3210930457. The cubic root of 2952109781 is about 1434.5339623877.

The spelling of 2952109781 in words is "two billion, nine hundred fifty-two million, one hundred nine thousand, seven hundred eighty-one".