1863432015772 has 12 divisors (see below), whose sum is σ = 3261367982376. Its totient is φ = 931612592240.

The previous prime is 1863432015749. The next prime is 1863432015817. The reversal of 1863432015772 is 2775102343681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25813363 + ... + 25885450.

It is an arithmetic number, because the mean of its divisors is an integer number (271780665198).

Almost surely, 2^{1863432015772} is an apocalyptic number.

It is an amenable number.

1863432015772 is a deficient number, since it is larger than the sum of its proper divisors (1397935966604).

1863432015772 is a wasteful number, since it uses less digits than its factorization.

1863432015772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51707828 (or 51707826 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 1863432015772 in words is "one trillion, eight hundred sixty-three billion, four hundred thirty-two million, fifteen thousand, seven hundred seventy-two".