1570731213428 has 24 divisors (see below), whose sum is σ = 2973264867552. Its totient is φ = 721759237344.

The previous prime is 1570731213413. The next prime is 1570731213431. The reversal of 1570731213428 is 8243121370751.

It is a super-2 number, since 2×1570731213428² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66522050 + ... + 66545657.

It is an arithmetic number, because the mean of its divisors is an integer number (123886036148).

Almost surely, 2^{1570731213428} is an apocalyptic number.

It is an amenable number.

1570731213428 is a deficient number, since it is larger than the sum of its proper divisors (1402533654124).

1570731213428 is a wasteful number, since it uses less digits than its factorization.

1570731213428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133067951 (or 133067949 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1570731213428 in words is "one trillion, five hundred seventy billion, seven hundred thirty-one million, two hundred thirteen thousand, four hundred twenty-eight".