1912890946756 has 24 divisors (see below), whose sum is σ = 3593028854520. Its totient is φ = 887852685312.

The previous prime is 1912890946751. The next prime is 1912890946793. The reversal of 1912890946756 is 6576490982191.

It can be written as a sum of positive squares in 4 ways, for example, as 399828582400 + 1513062364356 = 632320^2 + 1230066^2 .

It is a super-3 number, since 3×1912890946756³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1912890946691 and 1912890946700.

It is not an unprimeable number, because it can be changed into a prime (1912890946751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192671401 + ... + 192681328.

It is an arithmetic number, because the mean of its divisors is an integer number (149709535605).

Almost surely, 2^{1912890946756} is an apocalyptic number.

It is an amenable number.

1912890946756 is a deficient number, since it is larger than the sum of its proper divisors (1680137907764).

1912890946756 is a wasteful number, since it uses less digits than its factorization.

1912890946756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385352823 (or 385352821 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 67.

The spelling of 1912890946756 in words is "one trillion, nine hundred twelve billion, eight hundred ninety million, nine hundred forty-six thousand, seven hundred fifty-six".