51630545450662 has 4 divisors (see below), whose sum is σ = 77445818175996. Its totient is φ = 25815272725330.

The previous prime is 51630545450611. The next prime is 51630545450767. The reversal of 51630545450662 is 26605454503615.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12907636362664 + ... + 12907636362667.

It is an arithmetic number, because the mean of its divisors is an integer number (19361454543999).

Almost surely, 2^{51630545450662} is an apocalyptic number.

51630545450662 is a deficient number, since it is larger than the sum of its proper divisors (25815272725334).

51630545450662 is a wasteful number, since it uses less digits than its factorization.

51630545450662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25815272725333.

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 51630545450662 in words is "fifty-one trillion, six hundred thirty billion, five hundred forty-five million, four hundred fifty thousand, six hundred sixty-two".