7748040838253 has 4 divisors (see below), whose sum is σ = 7846117304640. Its totient is φ = 7649964371868.

The previous prime is 7748040838231. The next prime is 7748040838259. The reversal of 7748040838253 is 3528380408477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7748040838253 - 2¹⁴ = 7748040821869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7748040838192 and 7748040838201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7748040838259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49038233075 + ... + 49038233232.

It is an arithmetic number, because the mean of its divisors is an integer number (1961529326160).

Almost surely, 2^{7748040838253} is an apocalyptic number.

It is an amenable number.

7748040838253 is a deficient number, since it is larger than the sum of its proper divisors (98076466387).

7748040838253 is an equidigital number, since it uses as much as digits as its factorization.

7748040838253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98076466386.

The product of its (nonzero) digits is 36126720, while the sum is 59.

The spelling of 7748040838253 in words is "seven trillion, seven hundred forty-eight billion, forty million, eight hundred thirty-eight thousand, two hundred fifty-three".