42951851077 has 8 divisors (see below), whose sum is σ = 44536055040. Its totient is φ = 41374520880.

The previous prime is 42951851069. The next prime is 42951851087. The reversal of 42951851077 is 77015815924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42951851077 - 2³ = 42951851069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42951851077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42951851017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1705713 + ... + 1730710.

It is an arithmetic number, because the mean of its divisors is an integer number (5567006880).

Almost surely, 2^42951851077 is an apocalyptic number.

It is an amenable number.

42951851077 is a deficient number, since it is larger than the sum of its proper divisors (1584203963).

42951851077 is a wasteful number, since it uses less digits than its factorization.

42951851077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436883.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 42951851077 in words is "forty-two billion, nine hundred fifty-one million, eight hundred fifty-one thousand, seventy-seven".