75773757542213 has 4 divisors (see below), whose sum is σ = 76282306250700. Its totient is φ = 75265208833728.

The previous prime is 75773757542209. The next prime is 75773757542281. The reversal of 75773757542213 is 31224575737757.

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 27171011106724 + 48602746435489 = 5212582^2 + 6971567^2 .

It is a cyclic number.

It is not a de Polignac number, because 75773757542213 - 2² = 75773757542209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75773757542213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75773757592213) 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, 254274354020 + ... + 254274354317.

It is an arithmetic number, because the mean of its divisors is an integer number (19070576562675).

Almost surely, 2^{75773757542213} is an apocalyptic number.

It is an amenable number.

75773757542213 is a deficient number, since it is larger than the sum of its proper divisors (508548708487).

75773757542213 is a wasteful number, since it uses less digits than its factorization.

75773757542213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508548708486.

The product of its digits is 302526000, while the sum is 65.

The spelling of 75773757542213 in words is "seventy-five trillion, seven hundred seventy-three billion, seven hundred fifty-seven million, five hundred forty-two thousand, two hundred thirteen".