5349121887457 has 4 divisors (see below), whose sum is σ = 5368432797076. Its totient is φ = 5329810977840.

The previous prime is 5349121887371. The next prime is 5349121887467. The reversal of 5349121887457 is 7547881219435.

It is a happy number.

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 315241823296 + 5033880064161 = 561464^2 + 2243631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5349121887457 - 2³⁹ = 4799366073569 is a prime.

It is a super-2 number, since 2×5349121887457² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5349121887467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9655454394 + ... + 9655454947.

It is an arithmetic number, because the mean of its divisors is an integer number (1342108199269).

Almost surely, 2^{5349121887457} is an apocalyptic number.

It is an amenable number.

5349121887457 is a deficient number, since it is larger than the sum of its proper divisors (19310909619).

5349121887457 is a wasteful number, since it uses less digits than its factorization.

5349121887457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310909618.

The product of its digits is 67737600, while the sum is 64.

The spelling of 5349121887457 in words is "five trillion, three hundred forty-nine billion, one hundred twenty-one million, eight hundred eighty-seven thousand, four hundred fifty-seven".