213494250837 has 8 divisors (see below), whose sum is σ = 325324572736. Its totient is φ = 121996714752.

The previous prime is 213494250833. The next prime is 213494250841. The reversal of 213494250837 is 738052494312.

It is an interprime number because it is at equal distance from previous prime (213494250833) and next prime (213494250841).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213494250837 - 2² = 213494250833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213494250833) 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, 5083196428 + ... + 5083196469.

It is an arithmetic number, because the mean of its divisors is an integer number (40665571592).

Almost surely, 2^213494250837 is an apocalyptic number.

It is an amenable number.

213494250837 is a deficient number, since it is larger than the sum of its proper divisors (111830321899).

213494250837 is a wasteful number, since it uses less digits than its factorization.

213494250837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10166392907.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 213494250837 in words is "two hundred thirteen billion, four hundred ninety-four million, two hundred fifty thousand, eight hundred thirty-seven".