651251363332 has 6 divisors (see below), whose sum is σ = 1139689885838. Its totient is φ = 325625681664.

The previous prime is 651251363303. The next prime is 651251363333. The reversal of 651251363332 is 233363152156.

It can be written as a sum of positive squares in only one way, i.e., 578548869376 + 72702493956 = 760624^2 + 269634^2 .

It is not an unprimeable number, because it can be changed into a prime (651251363333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81406420413 + ... + 81406420420.

Almost surely, 2^651251363332 is an apocalyptic number.

It is an amenable number.

651251363332 is a deficient number, since it is larger than the sum of its proper divisors (488438522506).

651251363332 is a wasteful number, since it uses less digits than its factorization.

651251363332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162812840837 (or 162812840835 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The spelling of 651251363332 in words is "six hundred fifty-one billion, two hundred fifty-one million, three hundred sixty-three thousand, three hundred thirty-two".