587751745421 has 2 divisors, whose sum is σ = 587751745422. Its totient is φ = 587751745420.

The previous prime is 587751745381. The next prime is 587751745457. The reversal of 587751745421 is 124547157785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304742641225 + 283009104196 = 552035^2 + 531986^2 .

It is a cyclic number.

It is not a de Polignac number, because 587751745421 - 2²² = 587747551117 is a prime.

It is a super-2 number, since 2×587751745421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (587751747421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293875872710 + 293875872711.

It is an arithmetic number, because the mean of its divisors is an integer number (293875872711).

Almost surely, 2^587751745421 is an apocalyptic number.

It is an amenable number.

587751745421 is a deficient number, since it is larger than the sum of its proper divisors (1).

587751745421 is an equidigital number, since it uses as much as digits as its factorization.

587751745421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10976000, while the sum is 56.

The spelling of 587751745421 in words is "five hundred eighty-seven billion, seven hundred fifty-one million, seven hundred forty-five thousand, four hundred twenty-one".