369121213 has 8 divisors (see below), whose sum is σ = 380320568. Its totient is φ = 357986304.

The previous prime is 369121211. The next prime is 369121219. The reversal of 369121213 is 312121963.

It can be written as a sum of positive squares in 4 ways, for example, as 5189284 + 363931929 = 2278^2 + 19077^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 369121213 - 2¹ = 369121211 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 (369121211) 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, 4356 + ... + 27517.

It is an arithmetic number, because the mean of its divisors is an integer number (47540071).

Almost surely, 2^369121213 is an apocalyptic number.

It is an amenable number.

369121213 is a deficient number, since it is larger than the sum of its proper divisors (11199355).

369121213 is a wasteful number, since it uses less digits than its factorization.

369121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32223.

The product of its digits is 1944, while the sum is 28.

The square root of 369121213 is about 19212.5275016069. The cubic root of 369121213 is about 717.3366189039.

The spelling of 369121213 in words is "three hundred sixty-nine million, one hundred twenty-one thousand, two hundred thirteen".