7263542864057 has 2 divisors, whose sum is σ = 7263542864058. Its totient is φ = 7263542864056.

The previous prime is 7263542864033. The next prime is 7263542864111. The reversal of 7263542864057 is 7504682453627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6036829344016 + 1226713520041 = 2456996^2 + 1107571^2 .

It is a cyclic number.

It is not a de Polignac number, because 7263542864057 - 2³⁴ = 7246362994873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7263542863987 and 7263542864005.

It is not a weakly prime, because it can be changed into another prime (7263542864257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3631771432028 + 3631771432029.

It is an arithmetic number, because the mean of its divisors is an integer number (3631771432029).

Almost surely, 2^{7263542864057} is an apocalyptic number.

It is an amenable number.

7263542864057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7263542864057 is an equidigital number, since it uses as much as digits as its factorization.

7263542864057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67737600, while the sum is 59.

The spelling of 7263542864057 in words is "seven trillion, two hundred sixty-three billion, five hundred forty-two million, eight hundred sixty-four thousand, fifty-seven".