4057969481 has 2 divisors, whose sum is σ = 4057969482. Its totient is φ = 4057969480.

The previous prime is 4057969477. The next prime is 4057969493. The reversal of 4057969481 is 1849697504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2456689225 + 1601280256 = 49565^2 + 40016^2 .

It is a cyclic number.

It is not a de Polignac number, because 4057969481 - 2² = 4057969477 is a prime.

It is a super-2 number, since 2×4057969481² = 32934232617454818722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4057939481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028984740 + 2028984741.

It is an arithmetic number, because the mean of its divisors is an integer number (2028984741).

Almost surely, 2^4057969481 is an apocalyptic number.

It is an amenable number.

4057969481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4057969481 is an equidigital number, since it uses as much as digits as its factorization.

4057969481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 4057969481 is about 63702.1936906415. The cubic root of 4057969481 is about 1595.0327041967.

The spelling of 4057969481 in words is "four billion, fifty-seven million, nine hundred sixty-nine thousand, four hundred eighty-one".