19741947248 has 40 divisors (see below), whose sum is σ = 39927623040. Its totient is φ = 9445201920.

The previous prime is 19741947233. The next prime is 19741947307. The reversal of 19741947248 is 84274914791.

It is a super-2 number, since 2×19741947248² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19741947193 and 19741947202.

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, 179465 + ... + 267752.

It is an arithmetic number, because the mean of its divisors is an integer number (998190576).

Almost surely, 2^19741947248 is an apocalyptic number.

It is an amenable number.

19741947248 is an abundant number, since it is smaller than the sum of its proper divisors (20185675792).

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

19741947248 is a wasteful number, since it uses less digits than its factorization.

19741947248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447345 (or 447339 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The spelling of 19741947248 in words is "nineteen billion, seven hundred forty-one million, nine hundred forty-seven thousand, two hundred forty-eight".