1264023763339 has 8 divisors (see below), whose sum is σ = 1304865861552. Its totient is φ = 1223701946880.

The previous prime is 1264023763273. The next prime is 1264023763423. The reversal of 1264023763339 is 9333673204621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264023763339 - 2¹¹ = 1264023761291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1264023763292 and 1264023763301.

It is not an unprimeable number, because it can be changed into a prime (1264023761339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130065502 + ... + 130075219.

It is an arithmetic number, because the mean of its divisors is an integer number (163108232694).

Almost surely, 2^{1264023763339} is an apocalyptic number.

1264023763339 is a deficient number, since it is larger than the sum of its proper divisors (40842098213).

1264023763339 is a wasteful number, since it uses less digits than its factorization.

1264023763339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260140877.

The product of its (nonzero) digits is 2939328, while the sum is 49.

The spelling of 1264023763339 in words is "one trillion, two hundred sixty-four billion, twenty-three million, seven hundred sixty-three thousand, three hundred thirty-nine".