2149456391329 has 32 divisors (see below), whose sum is σ = 2361159360000. Its totient is φ = 1944756912384.

The previous prime is 2149456391287. The next prime is 2149456391339. The reversal of 2149456391329 is 9231936549412.

It is not a de Polignac number, because 2149456391329 - 2¹⁵ = 2149456358561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149456391339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 414230667 + ... + 414235855.

It is an arithmetic number, because the mean of its divisors is an integer number (73786230000).

Almost surely, 2^{2149456391329} is an apocalyptic number.

It is an amenable number.

2149456391329 is a deficient number, since it is larger than the sum of its proper divisors (211702968671).

2149456391329 is a wasteful number, since it uses less digits than its factorization.

2149456391329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137.

The product of its digits is 12597120, while the sum is 58.

The spelling of 2149456391329 in words is "two trillion, one hundred forty-nine billion, four hundred fifty-six million, three hundred ninety-one thousand, three hundred twenty-nine".