5278972973 has 2 divisors, whose sum is σ = 5278972974. Its totient is φ = 5278972972.

The previous prime is 5278972969. The next prime is 5278972987. The reversal of 5278972973 is 3792798725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4285273444 + 993699529 = 65462^2 + 31523^2 .

It is a cyclic number.

It is not a de Polignac number, because 5278972973 - 2² = 5278972969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5278972943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639486486 + 2639486487.

It is an arithmetic number, because the mean of its divisors is an integer number (2639486487).

Almost surely, 2^5278972973 is an apocalyptic number.

It is an amenable number.

5278972973 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278972973 is an equidigital number, since it uses as much as digits as its factorization.

5278972973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13335840, while the sum is 59.

The square root of 5278972973 is about 72656.5411576962. The cubic root of 5278972973 is about 1741.2046281278.

The spelling of 5278972973 in words is "five billion, two hundred seventy-eight million, nine hundred seventy-two thousand, nine hundred seventy-three".