1421971583730 has 64 divisors (see below), whose sum is σ = 3592496880000. Its totient is φ = 359220165120.

The previous prime is 1421971583729. The next prime is 1421971583731. The reversal of 1421971583730 is 373851791241.

It is an interprime number because it is at equal distance from previous prime (1421971583729) and next prime (1421971583731).

It is not an unprimeable number, because it can be changed into a prime (1421971583731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22625550 + ... + 22688310.

It is an arithmetic number, because the mean of its divisors is an integer number (56132763750).

Almost surely, 2^{1421971583730} is an apocalyptic number.

1421971583730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421971583730 is an abundant number, since it is smaller than the sum of its proper divisors (2170525296270).

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

1421971583730 is a wasteful number, since it uses less digits than its factorization.

1421971583730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102539.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 1421971583730 in words is "one trillion, four hundred twenty-one billion, nine hundred seventy-one million, five hundred eighty-three thousand, seven hundred thirty".