651244062442 has 24 divisors (see below), whose sum is σ = 1010535045408. Its totient is φ = 314762007960.

The previous prime is 651244062439. The next prime is 651244062479. The reversal of 651244062442 is 244260442156.

It is a junction number, because it is equal to n+sod(n) for n = 651244062395 and 651244062404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1513813 + ... + 1895815.

It is an arithmetic number, because the mean of its divisors is an integer number (42105626892).

Almost surely, 2^651244062442 is an apocalyptic number.

651244062442 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

651244062442 is a deficient number, since it is larger than the sum of its proper divisors (359290982966).

651244062442 is a wasteful number, since it uses less digits than its factorization.

651244062442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382954 (or 382923 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 651244062442 in words is "six hundred fifty-one billion, two hundred forty-four million, sixty-two thousand, four hundred forty-two".