2453766981 has 8 divisors (see below), whose sum is σ = 3272299680. Its totient is φ = 1635539472.

The previous prime is 2453766979. The next prime is 2453767003. The reversal of 2453766981 is 1896673542.

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

It is not a de Polignac number, because 2453766981 - 2¹ = 2453766979 is a prime.

It is a super-2 number, since 2×2453766981² = 12041944794091708722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453766941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56826 + ... + 90203.

It is an arithmetic number, because the mean of its divisors is an integer number (409037460).

Almost surely, 2^2453766981 is an apocalyptic number.

It is an amenable number.

2453766981 is a deficient number, since it is larger than the sum of its proper divisors (818532699).

2453766981 is a wasteful number, since it uses less digits than its factorization.

2453766981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152595.

The product of its digits is 2177280, while the sum is 51.

The square root of 2453766981 is about 49535.5123219696. The cubic root of 2453766981 is about 1348.7903166471.

The spelling of 2453766981 in words is "two billion, four hundred fifty-three million, seven hundred sixty-six thousand, nine hundred eighty-one".