273907740399 has 4 divisors (see below), whose sum is σ = 365210320536. Its totient is φ = 182605160264.

The previous prime is 273907740389. The next prime is 273907740427. The reversal of 273907740399 is 993047709372.

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

It is a cyclic number.

It is not a de Polignac number, because 273907740399 - 2⁴ = 273907740383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273907740319) 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, 45651290064 + ... + 45651290069.

It is an arithmetic number, because the mean of its divisors is an integer number (91302580134).

Almost surely, 2^273907740399 is an apocalyptic number.

273907740399 is a deficient number, since it is larger than the sum of its proper divisors (91302580137).

273907740399 is an equidigital number, since it uses as much as digits as its factorization.

273907740399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91302580136.

The product of its (nonzero) digits is 18003384, while the sum is 60.

The spelling of 273907740399 in words is "two hundred seventy-three billion, nine hundred seven million, seven hundred forty thousand, three hundred ninety-nine".