83012491453 has 4 divisors (see below), whose sum is σ = 83015005788. Its totient is φ = 83009977120.

The previous prime is 83012491381. The next prime is 83012491459. The reversal of 83012491453 is 35419421038.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41207782009 + 41804709444 = 202997^2 + 204462^2 .

It is a cyclic number.

It is not a de Polignac number, because 83012491453 - 2¹³ = 83012483261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83012491459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206976 + ... + 1273897.

It is an arithmetic number, because the mean of its divisors is an integer number (20753751447).

Almost surely, 2^83012491453 is an apocalyptic number.

It is an amenable number.

83012491453 is a deficient number, since it is larger than the sum of its proper divisors (2514335).

83012491453 is a wasteful number, since it uses less digits than its factorization.

83012491453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514334.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 83012491453 in words is "eighty-three billion, twelve million, four hundred ninety-one thousand, four hundred fifty-three".