537047969977 has 2 divisors, whose sum is σ = 537047969978. Its totient is φ = 537047969976.

The previous prime is 537047969863. The next prime is 537047970029. The reversal of 537047969977 is 779969740735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490208622201 + 46839347776 = 700149^2 + 216424^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-537047969977 is a prime.

It is not a weakly prime, because it can be changed into another prime (537047969677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268523984988 + 268523984989.

It is an arithmetic number, because the mean of its divisors is an integer number (268523984989).

Almost surely, 2^537047969977 is an apocalyptic number.

It is an amenable number.

537047969977 is a deficient number, since it is larger than the sum of its proper divisors (1).

537047969977 is an equidigital number, since it uses as much as digits as its factorization.

537047969977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630118440, while the sum is 73.

The spelling of 537047969977 in words is "five hundred thirty-seven billion, forty-seven million, nine hundred sixty-nine thousand, nine hundred seventy-seven".