2981897626 has 8 divisors (see below), whose sum is σ = 4617131904. Its totient is φ = 1442853660.

The previous prime is 2981897617. The next prime is 2981897627. The reversal of 2981897626 is 6267981892.

2981897626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2981897627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24047500 + ... + 24047623.

It is an arithmetic number, because the mean of its divisors is an integer number (577141488).

Almost surely, 2^2981897626 is an apocalyptic number.

2981897626 is a deficient number, since it is larger than the sum of its proper divisors (1635234278).

2981897626 is a wasteful number, since it uses less digits than its factorization.

2981897626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48095156.

The product of its digits is 5225472, while the sum is 58.

The square root of 2981897626 is about 54606.7543990668. The cubic root of 2981897626 is about 1439.3428112926.

The spelling of 2981897626 in words is "two billion, nine hundred eighty-one million, eight hundred ninety-seven thousand, six hundred twenty-six".