7538988497 has 2 divisors, whose sum is σ = 7538988498. Its totient is φ = 7538988496.

The previous prime is 7538988493. The next prime is 7538988503. The reversal of 7538988497 is 7948898357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5600875921 + 1938112576 = 74839^2 + 44024^2 .

It is a cyclic number.

It is not a de Polignac number, because 7538988497 - 2² = 7538988493 is a prime.

It is not a weakly prime, because it can be changed into another prime (7538988491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769494248 + 3769494249.

It is an arithmetic number, because the mean of its divisors is an integer number (3769494249).

Almost surely, 2^7538988497 is an apocalyptic number.

It is an amenable number.

7538988497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538988497 is an equidigital number, since it uses as much as digits as its factorization.

7538988497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 68.

The square root of 7538988497 is about 86827.3487848155. The cubic root of 7538988497 is about 1960.8198445297.

The spelling of 7538988497 in words is "seven billion, five hundred thirty-eight million, nine hundred eighty-eight thousand, four hundred ninety-seven".