536431125749 has 4 divisors (see below), whose sum is σ = 541444500864. Its totient is φ = 531417750636.

The previous prime is 536431125733. The next prime is 536431125767. The reversal of 536431125749 is 947521134635.

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 536431125749 - 2⁴ = 536431125733 is a prime.

It is a super-2 number, since 2×536431125749² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 536431125697 and 536431125706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536431125779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2506687397 + ... + 2506687610.

It is an arithmetic number, because the mean of its divisors is an integer number (135361125216).

Almost surely, 2^536431125749 is an apocalyptic number.

It is an amenable number.

536431125749 is a deficient number, since it is larger than the sum of its proper divisors (5013375115).

536431125749 is a wasteful number, since it uses less digits than its factorization.

536431125749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013375114.

The product of its digits is 2721600, while the sum is 50.

The spelling of 536431125749 in words is "five hundred thirty-six billion, four hundred thirty-one million, one hundred twenty-five thousand, seven hundred forty-nine".