7254454012642 has 16 divisors (see below), whose sum is σ = 11177479445112. Its totient is φ = 3528657336960.

The previous prime is 7254454012549. The next prime is 7254454012651. The reversal of 7254454012642 is 2462104544527.

It can be written as a sum of positive squares in 4 ways, for example, as 4975438063761 + 2279015948881 = 2230569^2 + 1509641^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7254454012592 and 7254454012601.

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, 6961203 + ... + 7935190.

Almost surely, 2^{7254454012642} is an apocalyptic number.

7254454012642 is a deficient number, since it is larger than the sum of its proper divisors (3923025432470).

7254454012642 is a wasteful number, since it uses less digits than its factorization.

7254454012642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14903013.

The product of its (nonzero) digits is 2150400, while the sum is 46.

The spelling of 7254454012642 in words is "seven trillion, two hundred fifty-four billion, four hundred fifty-four million, twelve thousand, six hundred forty-two".