38694801451 has 2 divisors, whose sum is σ = 38694801452. Its totient is φ = 38694801450.

The previous prime is 38694801437. The next prime is 38694801469. The reversal of 38694801451 is 15410849683.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38694801451 - 2²⁹ = 38157930539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38694801395 and 38694801404.

It is not a weakly prime, because it can be changed into another prime (38694801421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19347400725 + 19347400726.

It is an arithmetic number, because the mean of its divisors is an integer number (19347400726).

Almost surely, 2^38694801451 is an apocalyptic number.

38694801451 is a deficient number, since it is larger than the sum of its proper divisors (1).

38694801451 is an equidigital number, since it uses as much as digits as its factorization.

38694801451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 38694801451 in words is "thirty-eight billion, six hundred ninety-four million, eight hundred one thousand, four hundred fifty-one".