573278955631 has 2 divisors, whose sum is σ = 573278955632. Its totient is φ = 573278955630.

The previous prime is 573278955547. The next prime is 573278955649. The reversal of 573278955631 is 136559872375.

573278955631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 573278955631 - 2¹⁵ = 573278922863 is a prime.

It is a super-3 number, since 3×573278955631³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 573278955631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (573278905631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286639477815 + 286639477816.

It is an arithmetic number, because the mean of its divisors is an integer number (286639477816).

Almost surely, 2^573278955631 is an apocalyptic number.

573278955631 is a deficient number, since it is larger than the sum of its proper divisors (1).

573278955631 is an equidigital number, since it uses as much as digits as its factorization.

573278955631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 61.

The spelling of 573278955631 in words is "five hundred seventy-three billion, two hundred seventy-eight million, nine hundred fifty-five thousand, six hundred thirty-one".