1948898642 has 16 divisors (see below), whose sum is σ = 2956240800. Its totient is φ = 963519648.

The previous prime is 1948898621. The next prime is 1948898671. The reversal of 1948898642 is 2468988491.

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, 108734 + ... + 125382.

It is an arithmetic number, because the mean of its divisors is an integer number (184765050).

Almost surely, 2^1948898642 is an apocalyptic number.

1948898642 is a deficient number, since it is larger than the sum of its proper divisors (1007342158).

1948898642 is a wasteful number, since it uses less digits than its factorization.

1948898642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17305.

The product of its digits is 7962624, while the sum is 59.

The square root of 1948898642 is about 44146.3321466235. The cubic root of 1948898642 is about 1249.0977258378.

The spelling of 1948898642 in words is "one billion, nine hundred forty-eight million, eight hundred ninety-eight thousand, six hundred forty-two".