1421922597948 has 24 divisors (see below), whose sum is σ = 3686465994960. Its totient is φ = 473974199280.

The previous prime is 1421922597947. The next prime is 1421922598007. The reversal of 1421922597948 is 8497952291241.

1421922597948 is a `hidden beast` number, since 1 + 4 + 2 + 19 + 22 + 597 + 9 + 4 + 8 = 666.

It is a super-3 number, since 3×1421922597948³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421922597947) 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 7 ways as a sum of consecutive naturals, for example, 6582974883 + ... + 6582975098.

It is an arithmetic number, because the mean of its divisors is an integer number (153602749790).

Almost surely, 2^{1421922597948} is an apocalyptic number.

1421922597948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1421922597948 is an abundant number, since it is smaller than the sum of its proper divisors (2264543397012).

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

1421922597948 is a wasteful number, since it uses less digits than its factorization.

1421922597948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165949994 (or 13165949986 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 1421922597948 in words is "one trillion, four hundred twenty-one billion, nine hundred twenty-two million, five hundred ninety-seven thousand, nine hundred forty-eight".