7375400407253 has 4 divisors (see below), whose sum is σ = 7429235446860. Its totient is φ = 7321565367648.

The previous prime is 7375400407237. The next prime is 7375400407327. The reversal of 7375400407253 is 3527040045737.

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 5691120758449 + 1684279648804 = 2385607^2 + 1297798^2 .

It is a cyclic number.

It is not a de Polignac number, because 7375400407253 - 2⁴ = 7375400407237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7375400407198 and 7375400407207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7375400407223) 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, 26917519598 + ... + 26917519871.

It is an arithmetic number, because the mean of its divisors is an integer number (1857308861715).

Almost surely, 2^{7375400407253} is an apocalyptic number.

It is an amenable number.

7375400407253 is a deficient number, since it is larger than the sum of its proper divisors (53835039607).

7375400407253 is a wasteful number, since it uses less digits than its factorization.

7375400407253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53835039606.

The product of its (nonzero) digits is 2469600, while the sum is 47.

The spelling of 7375400407253 in words is "seven trillion, three hundred seventy-five billion, four hundred million, four hundred seven thousand, two hundred fifty-three".