1624425536242 has 4 divisors (see below), whose sum is σ = 2436638304366. Its totient is φ = 812212768120.

The previous prime is 1624425536231. The next prime is 1624425536273. The reversal of 1624425536242 is 2426355244261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1118134941561 + 506290594681 = 1057419^2 + 711541^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1624425536192 and 1624425536201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406106384059 + ... + 406106384062.

Almost surely, 2^{1624425536242} is an apocalyptic number.

1624425536242 is a deficient number, since it is larger than the sum of its proper divisors (812212768124).

1624425536242 is an equidigital number, since it uses as much as digits as its factorization.

1624425536242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812212768123.

The product of its digits is 2764800, while the sum is 46.

The spelling of 1624425536242 in words is "one trillion, six hundred twenty-four billion, four hundred twenty-five million, five hundred thirty-six thousand, two hundred forty-two".