3248792021381 has 4 divisors (see below), whose sum is σ = 3249495075564. Its totient is φ = 3248088967200.

The previous prime is 3248792021369. The next prime is 3248792021399. The reversal of 3248792021381 is 1831202978423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1560263301025 + 1688528720356 = 1249105^2 + 1299434^2 .

It is a cyclic number.

It is not a de Polignac number, because 3248792021381 - 2⁶ = 3248792021317 is a prime.

It is a super-2 number, since 2×3248792021381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3248792021311) 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 3 ways as a sum of consecutive naturals, for example, 351520160 + ... + 351529401.

It is an arithmetic number, because the mean of its divisors is an integer number (812373768891).

Almost surely, 2^{3248792021381} is an apocalyptic number.

It is an amenable number.

3248792021381 is a deficient number, since it is larger than the sum of its proper divisors (703054183).

3248792021381 is an equidigital number, since it uses as much as digits as its factorization.

3248792021381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703054182.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 3248792021381 in words is "three trillion, two hundred forty-eight billion, seven hundred ninety-two million, twenty-one thousand, three hundred eighty-one".