5431519177797 has 4 divisors (see below), whose sum is σ = 7242025570400. Its totient is φ = 3621012785196.

The previous prime is 5431519177789. The next prime is 5431519177801. The reversal of 5431519177797 is 7977719151345.

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 not a de Polignac number, because 5431519177797 - 2³ = 5431519177789 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 (5431519177757) 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, 905253196297 + ... + 905253196302.

It is an arithmetic number, because the mean of its divisors is an integer number (1810506392600).

Almost surely, 2^{5431519177797} is an apocalyptic number.

It is an amenable number.

5431519177797 is a deficient number, since it is larger than the sum of its proper divisors (1810506392603).

5431519177797 is a wasteful number, since it uses less digits than its factorization.

5431519177797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810506392602.

The product of its digits is 58344300, while the sum is 66.

The spelling of 5431519177797 in words is "five trillion, four hundred thirty-one billion, five hundred nineteen million, one hundred seventy-seven thousand, seven hundred ninety-seven".