251213421402014 has 8 divisors (see below), whose sum is σ = 377694424754208. Its totient is φ = 125315279817280.

The previous prime is 251213421401959. The next prime is 251213421402037. The reversal of 251213421402014 is 410204124312152.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145715440787 + ... + 145715442510.

It is an arithmetic number, because the mean of its divisors is an integer number (47211803094276).

Almost surely, 2^{251213421402014} is an apocalyptic number.

251213421402014 is a deficient number, since it is larger than the sum of its proper divisors (126481003352194).

251213421402014 is a wasteful number, since it uses less digits than its factorization.

251213421402014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291430883730.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 251213421402014 its reverse (410204124312152), we get a palindrome (661417545714166).

The spelling of 251213421402014 in words is "two hundred fifty-one trillion, two hundred thirteen billion, four hundred twenty-one million, four hundred two thousand, fourteen".