1948674515 has 4 divisors (see below), whose sum is σ = 2338409424. Its totient is φ = 1558939608.

The previous prime is 1948674457. The next prime is 1948674547. The reversal of 1948674515 is 5154768491.

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 1948674515 - 2⁶ = 1948674451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194867447 + ... + 194867456.

It is an arithmetic number, because the mean of its divisors is an integer number (584602356).

Almost surely, 2^1948674515 is an apocalyptic number.

1948674515 is a deficient number, since it is larger than the sum of its proper divisors (389734909).

1948674515 is an equidigital number, since it uses as much as digits as its factorization.

1948674515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389734908.

The product of its digits is 1209600, while the sum is 50.

The square root of 1948674515 is about 44143.7936181294. The cubic root of 1948674515 is about 1249.0498411415.

The spelling of 1948674515 in words is "one billion, nine hundred forty-eight million, six hundred seventy-four thousand, five hundred fifteen".