538351369653 has 4 divisors (see below), whose sum is σ = 717801826208. Its totient is φ = 358900913100.

The previous prime is 538351369643. The next prime is 538351369663. The reversal of 538351369653 is 356963153835.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (538351369643) and next prime (538351369663).

It is not a de Polignac number, because 538351369653 - 2⁴ = 538351369637 is a prime.

It is a super-2 number, since 2×538351369653² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538351369593 and 538351369602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538351369643) 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, 89725228273 + ... + 89725228278.

It is an arithmetic number, because the mean of its divisors is an integer number (179450456552).

Almost surely, 2^538351369653 is an apocalyptic number.

It is an amenable number.

538351369653 is a deficient number, since it is larger than the sum of its proper divisors (179450456555).

538351369653 is a wasteful number, since it uses less digits than its factorization.

538351369653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179450456554.

The product of its digits is 26244000, while the sum is 57.

The spelling of 538351369653 in words is "five hundred thirty-eight billion, three hundred fifty-one million, three hundred sixty-nine thousand, six hundred fifty-three".