1861428714474 has 32 divisors (see below), whose sum is σ = 4439680911360. Its totient is φ = 508713437232.

The previous prime is 1861428714463. The next prime is 1861428714491. The reversal of 1861428714474 is 4744178241681.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963471454 + ... + 963473385.

It is an arithmetic number, because the mean of its divisors is an integer number (138740028480).

Almost surely, 2^{1861428714474} is an apocalyptic number.

1861428714474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1861428714474 is an abundant number, since it is smaller than the sum of its proper divisors (2578252196886).

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

1861428714474 is a wasteful number, since it uses less digits than its factorization.

1861428714474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926944874.

The product of its digits is 9633792, while the sum is 57.

The spelling of 1861428714474 in words is "one trillion, eight hundred sixty-one billion, four hundred twenty-eight million, seven hundred fourteen thousand, four hundred seventy-four".