58919681 has 2 divisors, whose sum is σ = 58919682. Its totient is φ = 58919680.

The previous prime is 58919659. The next prime is 58919683. The reversal of 58919681 is 18691985.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49210225 + 9709456 = 7015^2 + 3116^2 .

It is a cyclic number.

It is not a de Polignac number, because 58919681 - 2⁶ = 58919617 is a prime.

It is a super-2 number, since 2×58919681² = 6943057618283522, which contains 22 as substring.

Together with 58919683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (58919683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29459840 + 29459841.

It is an arithmetic number, because the mean of its divisors is an integer number (29459841).

Almost surely, 2^58919681 is an apocalyptic number.

It is an amenable number.

58919681 is a deficient number, since it is larger than the sum of its proper divisors (1).

58919681 is an equidigital number, since it uses as much as digits as its factorization.

58919681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 47.

The square root of 58919681 is about 7675.9156457064. The cubic root of 58919681 is about 389.1229051042.

The spelling of 58919681 in words is "fifty-eight million, nine hundred nineteen thousand, six hundred eighty-one".