1948453494 has 16 divisors (see below), whose sum is σ = 4196669232. Its totient is φ = 599524128.

The previous prime is 1948453427. The next prime is 1948453523. The reversal of 1948453494 is 4943548491.

It is a super-3 number, since 3×1948453494³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 12490009 + ... + 12490164.

It is an arithmetic number, because the mean of its divisors is an integer number (262291827).

Almost surely, 2^1948453494 is an apocalyptic number.

1948453494 is an abundant number, since it is smaller than the sum of its proper divisors (2248215738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1948453494 is a wasteful number, since it uses less digits than its factorization.

1948453494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24980191.

The product of its digits is 2488320, while the sum is 51.

The square root of 1948453494 is about 44141.2901261393. The cubic root of 1948453494 is about 1249.0026164458.

The spelling of 1948453494 in words is "one billion, nine hundred forty-eight million, four hundred fifty-three thousand, four hundred ninety-four".