2081454515 has 8 divisors (see below), whose sum is σ = 2854566240. Its totient is φ = 1427283072.

The previous prime is 2081454491. The next prime is 2081454521. The reversal of 2081454515 is 5154541802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2081454515 - 2¹⁴ = 2081438131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 59470129 = 2081454515 / (2 + 0 + 8 + 1 + 4 + 5 + 4 + 5 + 1 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29735030 + ... + 29735099.

It is an arithmetic number, because the mean of its divisors is an integer number (356820780).

Almost surely, 2^2081454515 is an apocalyptic number.

2081454515 is a deficient number, since it is larger than the sum of its proper divisors (773111725).

2081454515 is an equidigital number, since it uses as much as digits as its factorization.

2081454515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59470141.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 2081454515 is about 45622.9603927671. The cubic root of 2081454515 is about 1276.7983368602.

The spelling of 2081454515 in words is "two billion, eighty-one million, four hundred fifty-four thousand, five hundred fifteen".