757425531421 has 8 divisors (see below), whose sum is σ = 818026256600. Its totient is φ = 697158695232.

The previous prime is 757425531419. The next prime is 757425531427. The reversal of 757425531421 is 124135524757.

It can be written as a sum of positive squares in 4 ways, for example, as 278346987396 + 479078544025 = 527586^2 + 692155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 757425531421 - 2¹ = 757425531419 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 (757425531427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83467530 + ... + 83476603.

It is an arithmetic number, because the mean of its divisors is an integer number (102253282075).

Almost surely, 2^757425531421 is an apocalyptic number.

It is an amenable number.

757425531421 is a deficient number, since it is larger than the sum of its proper divisors (60600725179).

757425531421 is a wasteful number, since it uses less digits than its factorization.

757425531421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166944495.

The product of its digits is 1176000, while the sum is 46.

The spelling of 757425531421 in words is "seven hundred fifty-seven billion, four hundred twenty-five million, five hundred thirty-one thousand, four hundred twenty-one".