1364206877497 has 4 divisors (see below), whose sum is σ = 1364278647780. Its totient is φ = 1364135107216.

The previous prime is 1364206877489. The next prime is 1364206877531. The reversal of 1364206877497 is 7947786024631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 445223897001 + 918982980496 = 667251^2 + 958636^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364206877497 - 2³ = 1364206877489 is a prime.

It is a super-2 number, since 2×1364206877497² (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 (1364206877447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35856622 + ... + 35894647.

It is an arithmetic number, because the mean of its divisors is an integer number (341069661945).

Almost surely, 2^{1364206877497} is an apocalyptic number.

It is an amenable number.

1364206877497 is a deficient number, since it is larger than the sum of its proper divisors (71770283).

1364206877497 is an equidigital number, since it uses as much as digits as its factorization.

1364206877497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71770282.

The product of its (nonzero) digits is 85349376, while the sum is 64.

The spelling of 1364206877497 in words is "one trillion, three hundred sixty-four billion, two hundred six million, eight hundred seventy-seven thousand, four hundred ninety-seven".