7479250379 has 2 divisors, whose sum is σ = 7479250380. Its totient is φ = 7479250378.

The previous prime is 7479250367. The next prime is 7479250397. The reversal of 7479250379 is 9730529747.

Together with next prime (7479250397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7479250379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7479250379.

It is not a weakly prime, because it can be changed into another prime (7479250579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3739625189 + 3739625190.

It is an arithmetic number, because the mean of its divisors is an integer number (3739625190).

Almost surely, 2^7479250379 is an apocalyptic number.

7479250379 is a deficient number, since it is larger than the sum of its proper divisors (1).

7479250379 is an equidigital number, since it uses as much as digits as its factorization.

7479250379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The square root of 7479250379 is about 86482.6594121619. The cubic root of 7479250379 is about 1955.6269973005.

The spelling of 7479250379 in words is "seven billion, four hundred seventy-nine million, two hundred fifty thousand, three hundred seventy-nine".