38742354251 has 2 divisors, whose sum is σ = 38742354252. Its totient is φ = 38742354250.

The previous prime is 38742354227. The next prime is 38742354257. The reversal of 38742354251 is 15245324783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38742354251 - 2¹⁰ = 38742353227 is a prime.

It is a super-3 number, since 3×38742354251³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (38742354257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19371177125 + 19371177126.

It is an arithmetic number, because the mean of its divisors is an integer number (19371177126).

Almost surely, 2^38742354251 is an apocalyptic number.

38742354251 is a deficient number, since it is larger than the sum of its proper divisors (1).

38742354251 is an equidigital number, since it uses as much as digits as its factorization.

38742354251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 44.

The spelling of 38742354251 in words is "thirty-eight billion, seven hundred forty-two million, three hundred fifty-four thousand, two hundred fifty-one".