1427731421700 has 72 divisors (see below), whose sum is σ = 4132210021632. Its totient is φ = 380607908480.

The previous prime is 1427731421657. The next prime is 1427731421707. The reversal of 1427731421700 is 71241377241.

It is not an unprimeable number, because it can be changed into a prime (1427731421707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198742 + ... + 1701458.

It is an arithmetic number, because the mean of its divisors is an integer number (57391805856).

Almost surely, 2^{1427731421700} is an apocalyptic number.

1427731421700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427731421700 is an abundant number, since it is smaller than the sum of its proper divisors (2704478599932).

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

1427731421700 is a wasteful number, since it uses less digits than its factorization.

1427731421700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505901 (or 1505894 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

Adding to 1427731421700 its reverse (71241377241), we get a palindrome (1498972798941).

The spelling of 1427731421700 in words is "one trillion, four hundred twenty-seven billion, seven hundred thirty-one million, four hundred twenty-one thousand, seven hundred".