3962687422501 has 8 divisors (see below), whose sum is σ = 4037538451320. Its totient is φ = 3887839480512.

The previous prime is 3962687422493. The next prime is 3962687422531. The reversal of 3962687422501 is 1052247862693.

It is a happy number.

It is a Cunningham number, because it is equal to 1990650²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 2839191300100 + 1123496122401 = 1684990^2 + 1059951^2 .

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 3962687422501 - 2³ = 3962687422493 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 (3962687422531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1907011 + ... + 3400303.

It is an arithmetic number, because the mean of its divisors is an integer number (504692306415).

It is a 1-persistent number, because it is pandigital, but 2⋅3962687422501 = 7925374845002 is not.

Almost surely, 2^{3962687422501} is an apocalyptic number.

It is an amenable number.

3962687422501 is a deficient number, since it is larger than the sum of its proper divisors (74851028819).

3962687422501 is a wasteful number, since it uses less digits than its factorization.

3962687422501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543415.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 3962687422501 in words is "three trillion, nine hundred sixty-two billion, six hundred eighty-seven million, four hundred twenty-two thousand, five hundred one".