1264225496963 has 48 divisors (see below), whose sum is σ = 1535598371328. Its totient is φ = 1033382750400.

The previous prime is 1264225496927. The next prime is 1264225496987. The reversal of 1264225496963 is 3696945224621.

It is not a de Polignac number, because 1264225496963 - 2¹⁸ = 1264225234819 is a prime.

It is a super-2 number, since 2×1264225496963² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264225496923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15558920 + ... + 15639962.

It is an arithmetic number, because the mean of its divisors is an integer number (31991632736).

Almost surely, 2^{1264225496963} is an apocalyptic number.

1264225496963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1264225496963 is a deficient number, since it is larger than the sum of its proper divisors (271372874365).

1264225496963 is a wasteful number, since it uses less digits than its factorization.

1264225496963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81336 (or 81325 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 59.

The spelling of 1264225496963 in words is "one trillion, two hundred sixty-four billion, two hundred twenty-five million, four hundred ninety-six thousand, nine hundred sixty-three".