38187814403 has 2 divisors, whose sum is σ = 38187814404. Its totient is φ = 38187814402.

The previous prime is 38187814397. The next prime is 38187814421. The reversal of 38187814403 is 30441878183.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38187814403 - 2²² = 38183620099 is a prime.

It is not a weakly prime, because it can be changed into another prime (38187814433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19093907201 + 19093907202.

It is an arithmetic number, because the mean of its divisors is an integer number (19093907202).

Almost surely, 2^38187814403 is an apocalyptic number.

38187814403 is a deficient number, since it is larger than the sum of its proper divisors (1).

38187814403 is an equidigital number, since it uses as much as digits as its factorization.

38187814403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 38187814403 in words is "thirty-eight billion, one hundred eighty-seven million, eight hundred fourteen thousand, four hundred three".