1344155003421 has 16 divisors (see below), whose sum is σ = 1798145193024. Its totient is φ = 893136299264.

The previous prime is 1344155003357. The next prime is 1344155003437. The reversal of 1344155003421 is 1243005514431.

It is a cyclic number.

It is not a de Polignac number, because 1344155003421 - 2⁶ = 1344155003357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344155003491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2151925 + ... + 2705381.

It is an arithmetic number, because the mean of its divisors is an integer number (112384074564).

Almost surely, 2^{1344155003421} is an apocalyptic number.

It is an amenable number.

1344155003421 is a deficient number, since it is larger than the sum of its proper divisors (453990189603).

1344155003421 is a wasteful number, since it uses less digits than its factorization.

1344155003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556140.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 1344155003421 in words is "one trillion, three hundred forty-four billion, one hundred fifty-five million, three thousand, four hundred twenty-one".