273993621136 has 45 divisors (see below), whose sum is σ = 536308860451. Its totient is φ = 135605496416.

The previous prime is 273993621133. The next prime is 273993621149. The reversal of 273993621136 is 631126399372.

It is a happy number.

The square root of 273993621136 is 523444.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273993621133) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 224033421 + ... + 224034643.

Almost surely, 2^273993621136 is an apocalyptic number.

273993621136 is the 523444-th square number.

It is an amenable number.

273993621136 is a deficient number, since it is larger than the sum of its proper divisors (262315239315).

273993621136 is an frugal number, since it uses more digits than its factorization.

273993621136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 1332 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The spelling of 273993621136 in words is "two hundred seventy-three billion, nine hundred ninety-three million, six hundred twenty-one thousand, one hundred thirty-six".