253395747547 has 2 divisors, whose sum is σ = 253395747548. Its totient is φ = 253395747546.

The previous prime is 253395747541. The next prime is 253395747607. The reversal of 253395747547 is 745747593352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253395747547 - 2¹⁵ = 253395714779 is a prime.

It is not a weakly prime, because it can be changed into another prime (253395747541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126697873773 + 126697873774.

It is an arithmetic number, because the mean of its divisors is an integer number (126697873774).

Almost surely, 2^253395747547 is an apocalyptic number.

253395747547 is a deficient number, since it is larger than the sum of its proper divisors (1).

253395747547 is an equidigital number, since it uses as much as digits as its factorization.

253395747547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132000, while the sum is 61.

The spelling of 253395747547 in words is "two hundred fifty-three billion, three hundred ninety-five million, seven hundred forty-seven thousand, five hundred forty-seven".