1264450656031 has 2 divisors, whose sum is σ = 1264450656032. Its totient is φ = 1264450656030.

The previous prime is 1264450655959. The next prime is 1264450656067. The reversal of 1264450656031 is 1306560544621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264450656031 - 2¹⁹ = 1264450131743 is a prime.

It is a super-3 number, since 3×1264450656031³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264450656631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632225328015 + 632225328016.

It is an arithmetic number, because the mean of its divisors is an integer number (632225328016).

Almost surely, 2^{1264450656031} is an apocalyptic number.

1264450656031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264450656031 is an equidigital number, since it uses as much as digits as its factorization.

1264450656031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 1264450656031 in words is "one trillion, two hundred sixty-four billion, four hundred fifty million, six hundred fifty-six thousand, thirty-one".