2421552551242 has 12 divisors (see below), whose sum is σ = 3992559785298. Its totient is φ = 1100705705000.

The previous prime is 2421552551191. The next prime is 2421552551251.

2421552551242 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1305742721481 + 1115809829761 = 1142691^2 + 1056319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2421552551195 and 2421552551204.

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 5 ways as a sum of consecutive naturals, for example, 5003207509 + ... + 5003207992.

Almost surely, 2^{2421552551242} is an apocalyptic number.

2421552551242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2421552551242 is a deficient number, since it is larger than the sum of its proper divisors (1571007234056).

2421552551242 is a wasteful number, since it uses less digits than its factorization.

2421552551242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006415525 (or 10006415514 counting only the distinct ones).

The product of its digits is 320000, while the sum is 40.

The spelling of 2421552551242 in words is "two trillion, four hundred twenty-one billion, five hundred fifty-two million, five hundred fifty-one thousand, two hundred forty-two".