251327713830 has 16 divisors (see below), whose sum is σ = 603186513264. Its totient is φ = 67020723680.

The previous prime is 251327713829. The next prime is 251327713837. The reversal of 251327713830 is 38317723152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251327713837) 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, 4188795201 + ... + 4188795260.

It is an arithmetic number, because the mean of its divisors is an integer number (37699157079).

Almost surely, 2^251327713830 is an apocalyptic number.

251327713830 is an abundant number, since it is smaller than the sum of its proper divisors (351858799434).

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

251327713830 is a wasteful number, since it uses less digits than its factorization.

251327713830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377590471.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 251327713830 in words is "two hundred fifty-one billion, three hundred twenty-seven million, seven hundred thirteen thousand, eight hundred thirty".