1421239648354 has 8 divisors (see below), whose sum is σ = 2133425868588. Its totient is φ = 710097692160.

The previous prime is 1421239648343. The next prime is 1421239648379. The reversal of 1421239648354 is 4538469321241.

It can be written as a sum of positive squares in 2 ways, for example, as 1379866054329 + 41373594025 = 1174677^2 + 203405^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261062607 + ... + 261068050.

Almost surely, 2^{1421239648354} is an apocalyptic number.

1421239648354 is a deficient number, since it is larger than the sum of its proper divisors (712186220234).

1421239648354 is a wasteful number, since it uses less digits than its factorization.

1421239648354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522132020.

The product of its digits is 4976640, while the sum is 52.

The spelling of 1421239648354 in words is "one trillion, four hundred twenty-one billion, two hundred thirty-nine million, six hundred forty-eight thousand, three hundred fifty-four".