1264488507098 has 4 divisors (see below), whose sum is σ = 1896732760650. Its totient is φ = 632244253548.

The previous prime is 1264488507049. The next prime is 1264488507151. The reversal of 1264488507098 is 8907058844621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 766302399769 + 498186107329 = 875387^2 + 705823^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1264488507098.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316122126773 + ... + 316122126776.

Almost surely, 2^{1264488507098} is an apocalyptic number.

1264488507098 is a deficient number, since it is larger than the sum of its proper divisors (632244253552).

1264488507098 is an equidigital number, since it uses as much as digits as its factorization.

1264488507098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632244253551.

The product of its (nonzero) digits is 30965760, while the sum is 62.

The spelling of 1264488507098 in words is "one trillion, two hundred sixty-four billion, four hundred eighty-eight million, five hundred seven thousand, ninety-eight".