1861047096804 has 297 divisors, whose sum is σ = 5697015094281. Its totient is φ = 530401737600.

The previous prime is 1861047096791. The next prime is 1861047096823. The reversal of 1861047096804 is 4086907401681.

The square root of 1861047096804 is 1364202.

It is a perfect power (a square), and thus also a powerful number.

1861047096804 is a `hidden beast` number, since 1 + 8 + 6 + 1 + 0 + 470 + 96 + 80 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1842529330404 + 18517766400 = 1357398^2 + 136080^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 4641015004 + ... + 4641015404.

Almost surely, 2^{1861047096804} is an apocalyptic number.

1861047096804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1861047096804 is the 1364202-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1861047096804

1861047096804 is an abundant number, since it is smaller than the sum of its proper divisors (3835967997477).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1861047096804 is an frugal number, since it uses more digits than its factorization.

1861047096804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1861047096804 in words is "one trillion, eight hundred sixty-one billion, forty-seven million, ninety-six thousand, eight hundred four".