213949957002 has 16 divisors (see below), whose sum is σ = 428289990912. Its totient is φ = 71251639520.

The previous prime is 213949956977. The next prime is 213949957003. The reversal of 213949957002 is 200759949312.

It is not an unprimeable number, because it can be changed into a prime (213949957003) 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, 16246074 + ... + 16259237.

It is an arithmetic number, because the mean of its divisors is an integer number (26768124432).

Almost surely, 2^213949957002 is an apocalyptic number.

213949957002 is an abundant number, since it is smaller than the sum of its proper divisors (214340033910).

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

213949957002 is a wasteful number, since it uses less digits than its factorization.

213949957002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32506413.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 213949957002 in words is "two hundred thirteen billion, nine hundred forty-nine million, nine hundred fifty-seven thousand, two".