3264400869787 has 2 divisors, whose sum is σ = 3264400869788. Its totient is φ = 3264400869786.

The previous prime is 3264400869713. The next prime is 3264400869841. The reversal of 3264400869787 is 7879680044623.

3264400869787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3264400869787 is a prime.

It is a super-2 number, since 2×3264400869787² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3264400869187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632200434893 + 1632200434894.

It is an arithmetic number, because the mean of its divisors is an integer number (1632200434894).

Almost surely, 2^{3264400869787} is an apocalyptic number.

3264400869787 is a deficient number, since it is larger than the sum of its proper divisors (1).

3264400869787 is an equidigital number, since it uses as much as digits as its factorization.

3264400869787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 3264400869787 in words is "three trillion, two hundred sixty-four billion, four hundred million, eight hundred sixty-nine thousand, seven hundred eighty-seven".