4941000061 has 4 divisors (see below), whose sum is σ = 5022000124. Its totient is φ = 4860000000.

The previous prime is 4941000059. The next prime is 4941000089. The reversal of 4941000061 is 1600001494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2915460025 + 2025540036 = 53995^2 + 45006^2 .

It is a 7-Lehmer number, since φ(4941000061) divides (4941000061-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 4941000061 - 2¹ = 4941000059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4941090061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40499940 + ... + 40500061.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500031).

Almost surely, 2^4941000061 is an apocalyptic number.

It is an amenable number.

4941000061 is a deficient number, since it is larger than the sum of its proper divisors (81000063).

4941000061 is an equidigital number, since it uses as much as digits as its factorization.

4941000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81000062.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4941000061 is about 70292.2475170626. The cubic root of 4941000061 is about 1703.2234182628.

It can be divided in two parts, 49410000 and 61, that multiplied together give a square (3014010000 = 54900²).

The spelling of 4941000061 in words is "four billion, nine hundred forty-one million, sixty-one", and thus it is an aban number.