84119037451 has 4 divisors (see below), whose sum is σ = 84210571600. Its totient is φ = 84027503304.

The previous prime is 84119037449. The next prime is 84119037553. The reversal of 84119037451 is 15473091148.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84119037451 - 2¹ = 84119037449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84119037398 and 84119037407.

It is not an unprimeable number, because it can be changed into a prime (84119034451) 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, 45765696 + ... + 45767533.

It is an arithmetic number, because the mean of its divisors is an integer number (21052642900).

Almost surely, 2^84119037451 is an apocalyptic number.

84119037451 is a deficient number, since it is larger than the sum of its proper divisors (91534149).

84119037451 is an equidigital number, since it uses as much as digits as its factorization.

84119037451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91534148.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 84119037451 in words is "eighty-four billion, one hundred nineteen million, thirty-seven thousand, four hundred fifty-one".