5254789642 has 8 divisors (see below), whose sum is σ = 7904900736. Its totient is φ = 2619822732.

The previous prime is 5254789637. The next prime is 5254789643. The reversal of 5254789642 is 2469874525.

It is a happy number.

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

It is a super-2 number, since 2×5254789642² = 55225628363340976328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5254789642.

It is not an unprimeable number, because it can be changed into a prime (5254789643) 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, 3785178 + ... + 3786565.

It is an arithmetic number, because the mean of its divisors is an integer number (988112592).

Almost surely, 2^5254789642 is an apocalyptic number.

5254789642 is a deficient number, since it is larger than the sum of its proper divisors (2650111094).

5254789642 is a wasteful number, since it uses less digits than its factorization.

5254789642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572092.

The product of its digits is 4838400, while the sum is 52.

The square root of 5254789642 is about 72489.9278658766. The cubic root of 5254789642 is about 1738.5416990390.

The spelling of 5254789642 in words is "five billion, two hundred fifty-four million, seven hundred eighty-nine thousand, six hundred forty-two".