4452951381 has 4 divisors (see below), whose sum is σ = 5937268512. Its totient is φ = 2968634252.

The previous prime is 4452951361. The next prime is 4452951401. The reversal of 4452951381 is 1831592544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (4452951361) and next prime (4452951401).

It is a cyclic number.

It is not a de Polignac number, because 4452951381 - 2¹⁹ = 4452427093 is a prime.

It is a super-2 number, since 2×4452951381² = 39657552003099614322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452951341) 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, 742158561 + ... + 742158566.

It is an arithmetic number, because the mean of its divisors is an integer number (1484317128).

Almost surely, 2^4452951381 is an apocalyptic number.

It is an amenable number.

4452951381 is a deficient number, since it is larger than the sum of its proper divisors (1484317131).

4452951381 is a wasteful number, since it uses less digits than its factorization.

4452951381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484317130.

The product of its digits is 172800, while the sum is 42.

The square root of 4452951381 is about 66730.4381897796. The cubic root of 4452951381 is about 1645.1897097999.

The spelling of 4452951381 in words is "four billion, four hundred fifty-two million, nine hundred fifty-one thousand, three hundred eighty-one".