12954619769839 has 16 divisors (see below), whose sum is σ = 14373835908480. Its totient is φ = 11575922220000.

The previous prime is 12954619769789. The next prime is 12954619769899. The reversal of 12954619769839 is 93896791645921.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12954619769839 - 2¹³ = 12954619761647 is a prime.

It is a super-2 number, since 2×12954619769839² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12954619769899) 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, 5637337 + ... + 7595314.

It is an arithmetic number, because the mean of its divisors is an integer number (898364744280).

Almost surely, 2^{12954619769839} is an apocalyptic number.

12954619769839 is a deficient number, since it is larger than the sum of its proper divisors (1419216138641).

12954619769839 is a wasteful number, since it uses less digits than its factorization.

12954619769839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13234182.

The product of its digits is 1587237120, while the sum is 79.

The spelling of 12954619769839 in words is "twelve trillion, nine hundred fifty-four billion, six hundred nineteen million, seven hundred sixty-nine thousand, eight hundred thirty-nine".