6431296921346 has 16 divisors (see below), whose sum is σ = 10610915135328. Its totient is φ = 2923316781220.

The previous prime is 6431296921207. The next prime is 6431296921373.

6431296921346 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×6431296921346³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6431296921291 and 6431296921300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1207979480 + ... + 1207984803.

It is an arithmetic number, because the mean of its divisors is an integer number (663182195958).

Almost surely, 2^{6431296921346} is an apocalyptic number.

6431296921346 is a deficient number, since it is larger than the sum of its proper divisors (4179618213982).

6431296921346 is a wasteful number, since it uses less digits than its factorization.

6431296921346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415964318 (or 2415964296 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 56.

The spelling of 6431296921346 in words is "six trillion, four hundred thirty-one billion, two hundred ninety-six million, nine hundred twenty-one thousand, three hundred forty-six".