254691474742 has 8 divisors (see below), whose sum is σ = 382094586432. Its totient is φ = 127326612600.

The previous prime is 254691474733. The next prime is 254691474773. The reversal of 254691474742 is 247474196452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545734 + ... + 9572377.

It is an arithmetic number, because the mean of its divisors is an integer number (47761823304).

Almost surely, 2^254691474742 is an apocalyptic number.

254691474742 is a deficient number, since it is larger than the sum of its proper divisors (127403111690).

254691474742 is a wasteful number, since it uses less digits than its factorization.

254691474742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124774.

The product of its digits is 13547520, while the sum is 55.

The spelling of 254691474742 in words is "two hundred fifty-four billion, six hundred ninety-one million, four hundred seventy-four thousand, seven hundred forty-two".