2363251421 has 4 divisors (see below), whose sum is σ = 2365368252. Its totient is φ = 2361134592.

The previous prime is 2363251417. The next prime is 2363251453. The reversal of 2363251421 is 1241523632.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1191216196 + 1172035225 = 34514^2 + 34235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2363251421 - 2² = 2363251417 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 (2363251021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056740 + ... + 1058973.

It is an arithmetic number, because the mean of its divisors is an integer number (591342063).

Almost surely, 2^2363251421 is an apocalyptic number.

It is an amenable number.

2363251421 is a deficient number, since it is larger than the sum of its proper divisors (2116831).

2363251421 is a wasteful number, since it uses less digits than its factorization.

2363251421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116830.

The product of its digits is 8640, while the sum is 29.

The square root of 2363251421 is about 48613.2844086881. The cubic root of 2363251421 is about 1331.9971918180.

The spelling of 2363251421 in words is "two billion, three hundred sixty-three million, two hundred fifty-one thousand, four hundred twenty-one".