255005737645 has 8 divisors (see below), whose sum is σ = 306009819360. Its totient is φ = 204002634000.

The previous prime is 255005737603. The next prime is 255005737661. The reversal of 255005737645 is 546737500552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255005737645 - 2¹³ = 255005729453 is a prime.

It is a super-3 number, since 3×255005737645³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584770 + ... + 923020.

It is an arithmetic number, because the mean of its divisors is an integer number (38251227420).

Almost surely, 2^255005737645 is an apocalyptic number.

It is an amenable number.

255005737645 is a deficient number, since it is larger than the sum of its proper divisors (51004081715).

255005737645 is a wasteful number, since it uses less digits than its factorization.

255005737645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489035.

The product of its (nonzero) digits is 4410000, while the sum is 49.

The spelling of 255005737645 in words is "two hundred fifty-five billion, five million, seven hundred thirty-seven thousand, six hundred forty-five".