3249540980789 has 2 divisors, whose sum is σ = 3249540980790. Its totient is φ = 3249540980788.

The previous prime is 3249540980773. The next prime is 3249540980809. The reversal of 3249540980789 is 9870890459423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3249518180164 + 22800625 = 1802642^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249540980789 - 2⁴ = 3249540980773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3249540980729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624770490394 + 1624770490395.

It is an arithmetic number, because the mean of its divisors is an integer number (1624770490395).

Almost surely, 2^{3249540980789} is an apocalyptic number.

It is an amenable number.

3249540980789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3249540980789 is an equidigital number, since it uses as much as digits as its factorization.

3249540980789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 3249540980789 in words is "three trillion, two hundred forty-nine billion, five hundred forty million, nine hundred eighty thousand, seven hundred eighty-nine".