1421948402613 has 12 divisors (see below), whose sum is σ = 2054232617580. Its totient is φ = 947823841536.

The previous prime is 1421948402551. The next prime is 1421948402621. The reversal of 1421948402613 is 3162048491241.

1421948402613 is a `hidden beast` number, since 1 + 4 + 21 + 9 + 4 + 8 + 4 + 0 + 2 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 518979041604 + 902969361009 = 720402^2 + 950247^2 .

It is not a de Polignac number, because 1421948402613 - 2¹⁸ = 1421948140469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421948402653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11749806 + ... + 11870207.

It is an arithmetic number, because the mean of its divisors is an integer number (171186051465).

Almost surely, 2^{1421948402613} is an apocalyptic number.

It is an amenable number.

1421948402613 is a deficient number, since it is larger than the sum of its proper divisors (632284214967).

1421948402613 is a wasteful number, since it uses less digits than its factorization.

1421948402613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23626708 (or 23626705 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1421948402613 in words is "one trillion, four hundred twenty-one billion, nine hundred forty-eight million, four hundred two thousand, six hundred thirteen".