651142253222141 has 4 divisors (see below), whose sum is σ = 651145444252032. Its totient is φ = 651139062192252.

The previous prime is 651142253222119. The next prime is 651142253222143. The reversal of 651142253222141 is 141222352241156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 651142253222141 - 2¹⁸ = 651142252959997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651142253222143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595208845 + ... + 1595616978.

It is an arithmetic number, because the mean of its divisors is an integer number (162786361063008).

Almost surely, 2^{651142253222141} is an apocalyptic number.

It is an amenable number.

651142253222141 is a deficient number, since it is larger than the sum of its proper divisors (3191029891).

651142253222141 is a wasteful number, since it uses less digits than its factorization.

651142253222141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191029890.

The product of its digits is 230400, while the sum is 41.

The spelling of 651142253222141 in words is "six hundred fifty-one trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred forty-one".