213972949004 has 24 divisors (see below), whose sum is σ = 375693728256. Its totient is φ = 106632416000.

The previous prime is 213972948977. The next prime is 213972949007. The reversal of 213972949004 is 400949279312.

It is not an unprimeable number, because it can be changed into a prime (213972949007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1558709 + ... + 1690419.

It is an arithmetic number, because the mean of its divisors is an integer number (15653905344).

Almost surely, 2^213972949004 is an apocalyptic number.

It is an amenable number.

213972949004 is a deficient number, since it is larger than the sum of its proper divisors (161720779252).

213972949004 is a wasteful number, since it uses less digits than its factorization.

213972949004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133057 (or 133055 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 213972949004 in words is "two hundred thirteen billion, nine hundred seventy-two million, nine hundred forty-nine thousand, four".