83948029469 has 2 divisors, whose sum is σ = 83948029470. Its totient is φ = 83948029468.

The previous prime is 83948029447. The next prime is 83948029483. The reversal of 83948029469 is 96492084938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64624249369 + 19323780100 = 254213^2 + 139010^2 .

It is a cyclic number.

It is not a de Polignac number, because 83948029469 - 2¹² = 83948025373 is a prime.

It is a super-2 number, since 2×83948029469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83948029439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41974014734 + 41974014735.

It is an arithmetic number, because the mean of its divisors is an integer number (41974014735).

Almost surely, 2^83948029469 is an apocalyptic number.

It is an amenable number.

83948029469 is a deficient number, since it is larger than the sum of its proper divisors (1).

83948029469 is an equidigital number, since it uses as much as digits as its factorization.

83948029469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 83948029469 in words is "eighty-three billion, nine hundred forty-eight million, twenty-nine thousand, four hundred sixty-nine".