7497428923 has 2 divisors, whose sum is σ = 7497428924. Its totient is φ = 7497428922.

The previous prime is 7497428921. The next prime is 7497428929. The reversal of 7497428923 is 3298247947.

It is a weak prime.

It is an emirp because it is prime and its reverse (3298247947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7497428923 - 2¹ = 7497428921 is a prime.

It is a super-2 number, since 2×7497428923² (a number of 21 digits) contains 22 as substring.

Together with 7497428921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7497428921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3748714461 + 3748714462.

It is an arithmetic number, because the mean of its divisors is an integer number (3748714462).

Almost surely, 2^7497428923 is an apocalyptic number.

7497428923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7497428923 is an equidigital number, since it uses as much as digits as its factorization.

7497428923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 7497428923 is about 86587.6949860660. The cubic root of 7497428923 is about 1957.2101188834.

The spelling of 7497428923 in words is "seven billion, four hundred ninety-seven million, four hundred twenty-eight thousand, nine hundred twenty-three".