1430643120554 has 4 divisors (see below), whose sum is σ = 2145964680834. Its totient is φ = 715321560276.

The previous prime is 1430643120553. The next prime is 1430643120601. The reversal of 1430643120554 is 4550213460341.

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., 1191204164929 + 239438955625 = 1091423^2 + 489325^2 .

It is not an unprimeable number, because it can be changed into a prime (1430643120553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357660780137 + ... + 357660780140.

Almost surely, 2^{1430643120554} is an apocalyptic number.

1430643120554 is a deficient number, since it is larger than the sum of its proper divisors (715321560280).

1430643120554 is an equidigital number, since it uses as much as digits as its factorization.

1430643120554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715321560279.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 1430643120554 its reverse (4550213460341), we get a palindrome (5980856580895).

The spelling of 1430643120554 in words is "one trillion, four hundred thirty billion, six hundred forty-three million, one hundred twenty thousand, five hundred fifty-four".