83963761449 has 16 divisors (see below), whose sum is σ = 113712840000. Its totient is φ = 55098337536.

The previous prime is 83963761433. The next prime is 83963761489. The reversal of 83963761449 is 94416736938.

It is not a de Polignac number, because 83963761449 - 2⁴ = 83963761433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83963761392 and 83963761401.

It is not an unprimeable number, because it can be changed into a prime (83963761489) 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, 274884 + ... + 493445.

It is an arithmetic number, because the mean of its divisors is an integer number (7107052500).

Almost surely, 2^83963761449 is an apocalyptic number.

It is an amenable number.

83963761449 is a deficient number, since it is larger than the sum of its proper divisors (29749078551).

83963761449 is a wasteful number, since it uses less digits than its factorization.

83963761449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768904.

The product of its digits is 23514624, while the sum is 60.

The spelling of 83963761449 in words is "eighty-three billion, nine hundred sixty-three million, seven hundred sixty-one thousand, four hundred forty-nine".