1421682715250 has 64 divisors (see below), whose sum is σ = 3139704502272. Its totient is φ = 471710376000.

The previous prime is 1421682715247. The next prime is 1421682715259. The reversal of 1421682715250 is 525172861241.

It is a happy number.

It is a super-2 number, since 2×1421682715250² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421682715259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13048817 + ... + 13157316.

It is an arithmetic number, because the mean of its divisors is an integer number (49057882848).

Almost surely, 2^{1421682715250} is an apocalyptic number.

1421682715250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421682715250 is an abundant number, since it is smaller than the sum of its proper divisors (1718021787022).

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

1421682715250 is a wasteful number, since it uses less digits than its factorization.

1421682715250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26206188 (or 26206178 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 1421682715250 in words is "one trillion, four hundred twenty-one billion, six hundred eighty-two million, seven hundred fifteen thousand, two hundred fifty".