7489342997 has 2 divisors, whose sum is σ = 7489342998. Its totient is φ = 7489342996.

The previous prime is 7489342919. The next prime is 7489343009. The reversal of 7489342997 is 7992439847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6769011076 + 720331921 = 82274^2 + 26839^2 .

It is a cyclic number.

It is not a de Polignac number, because 7489342997 - 2²⁶ = 7422234133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7489341997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3744671498 + 3744671499.

It is an arithmetic number, because the mean of its divisors is an integer number (3744671499).

Almost surely, 2^7489342997 is an apocalyptic number.

It is an amenable number.

7489342997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7489342997 is an equidigital number, since it uses as much as digits as its factorization.

7489342997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 62.

The square root of 7489342997 is about 86540.9902705071. The cubic root of 7489342997 is about 1956.5062531929.

The spelling of 7489342997 in words is "seven billion, four hundred eighty-nine million, three hundred forty-two thousand, nine hundred ninety-seven".