3328749766249 has 4 divisors (see below), whose sum is σ = 3409938784980. Its totient is φ = 3247560747520.

The previous prime is 3328749766207. The next prime is 3328749766253. The reversal of 3328749766249 is 9426679478233.

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 118220444224 + 3210529322025 = 343832^2 + 1791795^2 .

It is not a de Polignac number, because 3328749766249 - 2²⁷ = 3328615548521 is a prime.

It is a super-2 number, since 2×3328749766249² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3328749766649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40594509304 + ... + 40594509385.

It is an arithmetic number, because the mean of its divisors is an integer number (852484696245).

Almost surely, 2^{3328749766249} is an apocalyptic number.

It is an amenable number.

3328749766249 is a deficient number, since it is larger than the sum of its proper divisors (81189018731).

3328749766249 is an equidigital number, since it uses as much as digits as its factorization.

3328749766249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81189018730.

The product of its digits is 658409472, while the sum is 70.

The spelling of 3328749766249 in words is "three trillion, three hundred twenty-eight billion, seven hundred forty-nine million, seven hundred sixty-six thousand, two hundred forty-nine".