83453799412 has 12 divisors (see below), whose sum is σ = 146047774180. Its totient is φ = 41725863936.

The previous prime is 83453799343. The next prime is 83453799421. The reversal of 83453799412 is 21499735438.

It can be written as a sum of positive squares in 2 ways, for example, as 23803552656 + 59650246756 = 154284^2 + 244234^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 60813 + ... + 413044.

Almost surely, 2^83453799412 is an apocalyptic number.

It is an amenable number.

83453799412 is a deficient number, since it is larger than the sum of its proper divisors (62593974768).

83453799412 is a wasteful number, since it uses less digits than its factorization.

83453799412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517890 (or 517888 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 83453799412 in words is "eighty-three billion, four hundred fifty-three million, seven hundred ninety-nine thousand, four hundred twelve".