598248780781 has 2 divisors, whose sum is σ = 598248780782. Its totient is φ = 598248780780.

The previous prime is 598248780739. The next prime is 598248780821. The reversal of 598248780781 is 187087842895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477113458756 + 121135322025 = 690734^2 + 348045^2 .

It is a cyclic number.

It is not a de Polignac number, because 598248780781 - 2²³ = 598240392173 is a prime.

It is a super-2 number, since 2×598248780781² (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 (598248786781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299124390390 + 299124390391.

It is an arithmetic number, because the mean of its divisors is an integer number (299124390391).

Almost surely, 2^598248780781 is an apocalyptic number.

It is an amenable number.

598248780781 is a deficient number, since it is larger than the sum of its proper divisors (1).

598248780781 is an equidigital number, since it uses as much as digits as its factorization.

598248780781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72253440, while the sum is 67.

The spelling of 598248780781 in words is "five hundred ninety-eight billion, two hundred forty-eight million, seven hundred eighty thousand, seven hundred eighty-one".