1863142973430 has 32 divisors (see below), whose sum is σ = 4534522622208. Its totient is φ = 489840405600.

The previous prime is 1863142973423. The next prime is 1863142973431. The reversal of 1863142973430 is 343792413681.

It is a super-3 number, since 3×1863142973430³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863142973431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437355376 + ... + 437359635.

It is an arithmetic number, because the mean of its divisors is an integer number (141703831944).

Almost surely, 2^{1863142973430} is an apocalyptic number.

1863142973430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1863142973430 is an abundant number, since it is smaller than the sum of its proper divisors (2671379648778).

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

1863142973430 is a wasteful number, since it uses less digits than its factorization.

1863142973430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874715092.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 1863142973430 in words is "one trillion, eight hundred sixty-three billion, one hundred forty-two million, nine hundred seventy-three thousand, four hundred thirty".