7513423969 has 2 divisors, whose sum is σ = 7513423970. Its totient is φ = 7513423968.

The previous prime is 7513423949. The next prime is 7513423987. The reversal of 7513423969 is 9693243157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7085430625 + 427993344 = 84175^2 + 20688^2 .

It is a cyclic number.

It is not a de Polignac number, because 7513423969 - 2¹⁵ = 7513391201 is a prime.

It is a super-2 number, since 2×7513423969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7513423949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3756711984 + 3756711985.

It is an arithmetic number, because the mean of its divisors is an integer number (3756711985).

Almost surely, 2^7513423969 is an apocalyptic number.

It is an amenable number.

7513423969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7513423969 is an equidigital number, since it uses as much as digits as its factorization.

7513423969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 7513423969 is about 86680.0090505302. The cubic root of 7513423969 is about 1958.6009703343.

The spelling of 7513423969 in words is "seven billion, five hundred thirteen million, four hundred twenty-three thousand, nine hundred sixty-nine".