4897954381 has 2 divisors, whose sum is σ = 4897954382. Its totient is φ = 4897954380.

The previous prime is 4897954367. The next prime is 4897954403. The reversal of 4897954381 is 1834597984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4172514025 + 725440356 = 64595^2 + 26934^2 .

It is a cyclic number.

It is not a de Polignac number, because 4897954381 - 2¹⁹ = 4897430093 is a prime.

It is a super-2 number, since 2×4897954381² = 47979914236714186322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4897954331) 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 as a sum of consecutive naturals, namely, 2448977190 + 2448977191.

It is an arithmetic number, because the mean of its divisors is an integer number (2448977191).

Almost surely, 2^4897954381 is an apocalyptic number.

It is an amenable number.

4897954381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4897954381 is an equidigital number, since it uses as much as digits as its factorization.

4897954381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 58.

The square root of 4897954381 is about 69985.3869104115. The cubic root of 4897954381 is about 1698.2628600000.

The spelling of 4897954381 in words is "four billion, eight hundred ninety-seven million, nine hundred fifty-four thousand, three hundred eighty-one".