65091381298 has 4 divisors (see below), whose sum is σ = 97637071950. Its totient is φ = 32545690648.

The previous prime is 65091381283. The next prime is 65091381317. The reversal of 65091381298 is 89218319056.

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., 65089786129 + 1595169 = 255127^2 + 1263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16272845323 + ... + 16272845326.

Almost surely, 2^65091381298 is an apocalyptic number.

65091381298 is a deficient number, since it is larger than the sum of its proper divisors (32545690652).

65091381298 is a wasteful number, since it uses less digits than its factorization.

65091381298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32545690651.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 65091381298 in words is "sixty-five billion, ninety-one million, three hundred eighty-one thousand, two hundred ninety-eight".