38828702501 has 2 divisors, whose sum is σ = 38828702502. Its totient is φ = 38828702500.

The previous prime is 38828702489. The next prime is 38828702543. The reversal of 38828702501 is 10520782883.

It is a Cunningham number, because it is equal to 197050²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38828702500 + 1 = 197050^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38828702501 is a prime.

It is a super-2 number, since 2×38828702501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38828702551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19414351250 + 19414351251.

It is an arithmetic number, because the mean of its divisors is an integer number (19414351251).

Almost surely, 2^38828702501 is an apocalyptic number.

It is an amenable number.

38828702501 is a deficient number, since it is larger than the sum of its proper divisors (1).

38828702501 is an equidigital number, since it uses as much as digits as its factorization.

38828702501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 38828702501 in words is "thirty-eight billion, eight hundred twenty-eight million, seven hundred two thousand, five hundred one".