38142155602919 has 2 divisors, whose sum is σ = 38142155602920. Its totient is φ = 38142155602918.

The previous prime is 38142155602891. The next prime is 38142155603011. The reversal of 38142155602919 is 91920655124183.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38142155602919 is a prime.

It is a super-2 number, since 2×38142155602919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38142155605919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19071077801459 + 19071077801460.

It is an arithmetic number, because the mean of its divisors is an integer number (19071077801460).

Almost surely, 2^{38142155602919} is an apocalyptic number.

38142155602919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38142155602919 is an equidigital number, since it uses as much as digits as its factorization.

38142155602919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 38142155602919 in words is "thirty-eight trillion, one hundred forty-two billion, one hundred fifty-five million, six hundred two thousand, nine hundred nineteen".