7520453779 has 2 divisors, whose sum is σ = 7520453780. Its totient is φ = 7520453778.

The previous prime is 7520453753. The next prime is 7520453813. The reversal of 7520453779 is 9773540257.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7520453779 - 2¹⁵ = 7520421011 is a prime.

It is not a weakly prime, because it can be changed into another prime (7520453729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3760226889 + 3760226890.

It is an arithmetic number, because the mean of its divisors is an integer number (3760226890).

Almost surely, 2^7520453779 is an apocalyptic number.

7520453779 is a deficient number, since it is larger than the sum of its proper divisors (1).

7520453779 is an equidigital number, since it uses as much as digits as its factorization.

7520453779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The square root of 7520453779 is about 86720.5499233025. The cubic root of 7520453779 is about 1959.2116240503.

The spelling of 7520453779 in words is "seven billion, five hundred twenty million, four hundred fifty-three thousand, seven hundred seventy-nine".