910638748253 has 4 divisors (see below), whose sum is σ = 980687882748. Its totient is φ = 840589613760.

The previous prime is 910638748241. The next prime is 910638748291. The reversal of 910638748253 is 352847836019.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295564020964 + 615074727289 = 543658^2 + 784267^2 .

It is not a de Polignac number, because 910638748253 - 2²² = 910634553949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (910638748223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35024567228 + ... + 35024567253.

It is an arithmetic number, because the mean of its divisors is an integer number (245171970687).

It is a 1-persistent number, because it is pandigital, but 2⋅910638748253 = 1821277496506 is not.

Almost surely, 2^910638748253 is an apocalyptic number.

It is an amenable number.

910638748253 is a deficient number, since it is larger than the sum of its proper divisors (70049134495).

910638748253 is a wasteful number, since it uses less digits than its factorization.

910638748253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70049134494.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 910638748253 in words is "nine hundred ten billion, six hundred thirty-eight million, seven hundred forty-eight thousand, two hundred fifty-three".