270128576421 has 12 divisors (see below), whose sum is σ = 425657150880. Its totient is φ = 163714288680.

The previous prime is 270128576411. The next prime is 270128576423. The reversal of 270128576421 is 124675821072.

270128576421 is a `hidden beast` number, since 2 + 70 + 1 + 2 + 8 + 576 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 270128576421 - 2⁶ = 270128576357 is a prime.

It is a super-3 number, since 3×270128576421³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270128576423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364285641 + ... + 1364285838.

It is an arithmetic number, because the mean of its divisors is an integer number (35471429240).

Almost surely, 2^270128576421 is an apocalyptic number.

It is an amenable number.

270128576421 is a deficient number, since it is larger than the sum of its proper divisors (155528574459).

270128576421 is a wasteful number, since it uses less digits than its factorization.

270128576421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728571496 (or 2728571493 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 270128576421 in words is "two hundred seventy billion, one hundred twenty-eight million, five hundred seventy-six thousand, four hundred twenty-one".