254734242465 has 16 divisors (see below), whose sum is σ = 408710102400. Its totient is φ = 135479824512.

The previous prime is 254734242461. The next prime is 254734242517. The reversal of 254734242465 is 564242437452.

It is not a de Polignac number, because 254734242465 - 2² = 254734242461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254734242461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23646820 + ... + 23657589.

It is an arithmetic number, because the mean of its divisors is an integer number (25544381400).

Almost surely, 2^254734242465 is an apocalyptic number.

It is an amenable number.

254734242465 is a deficient number, since it is larger than the sum of its proper divisors (153975859935).

254734242465 is a wasteful number, since it uses less digits than its factorization.

254734242465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47304776.

The product of its digits is 6451200, while the sum is 48.

The spelling of 254734242465 in words is "two hundred fifty-four billion, seven hundred thirty-four million, two hundred forty-two thousand, four hundred sixty-five".