1873780668746 has 16 divisors (see below), whose sum is σ = 3286897652544. Its totient is φ = 784373302944.

The previous prime is 1873780668707. The next prime is 1873780668763. The reversal of 1873780668746 is 6478660873781.

It is a super-2 number, since 2×1873780668746² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1873780668746.

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, 1556295635 + ... + 1556296838.

It is an arithmetic number, because the mean of its divisors is an integer number (205431103284).

Almost surely, 2^{1873780668746} is an apocalyptic number.

1873780668746 is a deficient number, since it is larger than the sum of its proper divisors (1413116983798).

1873780668746 is a wasteful number, since it uses less digits than its factorization.

1873780668746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112592525.

The product of its (nonzero) digits is 455196672, while the sum is 71.

The spelling of 1873780668746 in words is "one trillion, eight hundred seventy-three billion, seven hundred eighty million, six hundred sixty-eight thousand, seven hundred forty-six".